20109741664

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 192

約数和(自身を含む): 44991313920

約数和(自身を除く): 24881572256

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 41, 53, 62, 76, 82, 106, 124, 152, 164, 212, 248, 304, 328, 424, 491, 496, 589, 608, 656, 779, 848, 982, 992, 1007, 1178, 1271, 1312, 1558, 1643, 1696, 1964, 2014, 2173, 2356, 2542, 3116, 3286, 3928, 4028, 4346, 4712, 5084, 6232, 6572, 7856, 8056, 8692, 9329, 9424, 10168, 12464, 13144, 15221, 15712, 16112, 17384, 18658, 18848, 20131, 20336, 24149, 24928, 26023, 26288, 30442, 31217, 32224, 34768, 37316, 40262, 40672, 41287, 48298, 52046, 52576, 60884, 62434, 67363, 69536, 74632, 80524, 82574, 96596, 104092, 121768, 124868, 134726, 149264, 161048, 165148, 193192, 208184, 243536, 249736, 269452, 289199, 298528, 322096, 330296, 382489, 386384, 416368, 487072, 494437, 499472, 538904, 578398, 624061, 644192, 660592, 764978, 772768, 806713, 832736, 988874, 998944, 1066943, 1077808, 1156796, 1248122, 1279897, 1321184, 1529956, 1613426, 1977748, 2133886, 2155616, 2313592, 2496244, 2559794, 3059912, 3226852, 3955496, 4267772, 4627184, 4992488, 5119588, 6119824, 6453704, 7910992, 8535544, 9254368, 9984976, 10239176, 11857159, 12239648, 12907408, 15327547, 15821984, 17071088, 19969952, 20271917, 20478352, 23714318, 25814816, 30655094, 33075233, 34142176, 40543834, 40956704, 47428636, 61310188, 66150466, 81087668, 94857272, 122620376, 132300932, 162175336, 189714544, 245240752, 264601864, 324350672, 379429088, 490481504, 529203728, 628429427, 648701344, 1058407456, 1256858854, 2513717708, 5027435416, 10054870832, 20109741664]

約数ペア:

[(1, 20109741664), (2, 10054870832), (4, 5027435416), (8, 2513717708), (16, 1256858854), (19, 1058407456), (31, 648701344), (32, 628429427), (38, 529203728), (41, 490481504), (53, 379429088), (62, 324350672), (76, 264601864), (82, 245240752), (106, 189714544), (124, 162175336), (152, 132300932), (164, 122620376), (212, 94857272), (248, 81087668), (304, 66150466), (328, 61310188), (424, 47428636), (491, 40956704), (496, 40543834), (589, 34142176), (608, 33075233), (656, 30655094), (779, 25814816), (848, 23714318), (982, 20478352), (992, 20271917), (1007, 19969952), (1178, 17071088), (1271, 15821984), (1312, 15327547), (1558, 12907408), (1643, 12239648), (1696, 11857159), (1964, 10239176), (2014, 9984976), (2173, 9254368), (2356, 8535544), (2542, 7910992), (3116, 6453704), (3286, 6119824), (3928, 5119588), (4028, 4992488), (4346, 4627184), (4712, 4267772), (5084, 3955496), (6232, 3226852), (6572, 3059912), (7856, 2559794), (8056, 2496244), (8692, 2313592), (9329, 2155616), (9424, 2133886), (10168, 1977748), (12464, 1613426), (13144, 1529956), (15221, 1321184), (15712, 1279897), (16112, 1248122), (17384, 1156796), (18658, 1077808), (18848, 1066943), (20131, 998944), (20336, 988874), (24149, 832736), (24928, 806713), (26023, 772768), (26288, 764978), (30442, 660592), (31217, 644192), (32224, 624061), (34768, 578398), (37316, 538904), (40262, 499472), (40672, 494437), (41287, 487072), (48298, 416368), (52046, 386384), (52576, 382489), (60884, 330296), (62434, 322096), (67363, 298528), (69536, 289199), (74632, 269452), (80524, 249736), (82574, 243536), (96596, 208184), (104092, 193192), (121768, 165148), (124868, 161048), (134726, 149264)]