20106721024

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2467}}^1$

素因数の和:2606

約数の個数: 144

約数和(自身を含む): 45199544320

約数和(自身を除く): 25092823296

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 79, 104, 124, 128, 158, 208, 248, 256, 316, 403, 416, 496, 632, 806, 832, 992, 1027, 1264, 1612, 1664, 1984, 2054, 2449, 2467, 2528, 3224, 3328, 3968, 4108, 4898, 4934, 5056, 6448, 7936, 8216, 9796, 9868, 10112, 12896, 16432, 19592, 19736, 20224, 25792, 31837, 32071, 32864, 39184, 39472, 51584, 63674, 64142, 65728, 76477, 78368, 78944, 103168, 127348, 128284, 131456, 152954, 156736, 157888, 194893, 254696, 256568, 262912, 305908, 313472, 315776, 389786, 509392, 513136, 611816, 626944, 631552, 779572, 994201, 1018784, 1026272, 1223632, 1559144, 1988402, 2037568, 2052544, 2447264, 2533609, 3118288, 3976804, 4075136, 4105088, 4894528, 5067218, 6041683, 6236576, 7953608, 8150272, 8210176, 9789056, 10134436, 12083366, 12473152, 15907216, 19578112, 20268872, 24166732, 24946304, 31814432, 40537744, 48333464, 49892608, 63628864, 78541879, 81075488, 96666928, 127257728, 157083758, 162150976, 193333856, 254515456, 314167516, 324301952, 386667712, 628335032, 648603904, 773335424, 1256670064, 1546670848, 2513340128, 5026680256, 10053360512, 20106721024]

約数ペア:

[(1, 20106721024), (2, 10053360512), (4, 5026680256), (8, 2513340128), (13, 1546670848), (16, 1256670064), (26, 773335424), (31, 648603904), (32, 628335032), (52, 386667712), (62, 324301952), (64, 314167516), (79, 254515456), (104, 193333856), (124, 162150976), (128, 157083758), (158, 127257728), (208, 96666928), (248, 81075488), (256, 78541879), (316, 63628864), (403, 49892608), (416, 48333464), (496, 40537744), (632, 31814432), (806, 24946304), (832, 24166732), (992, 20268872), (1027, 19578112), (1264, 15907216), (1612, 12473152), (1664, 12083366), (1984, 10134436), (2054, 9789056), (2449, 8210176), (2467, 8150272), (2528, 7953608), (3224, 6236576), (3328, 6041683), (3968, 5067218), (4108, 4894528), (4898, 4105088), (4934, 4075136), (5056, 3976804), (6448, 3118288), (7936, 2533609), (8216, 2447264), (9796, 2052544), (9868, 2037568), (10112, 1988402), (12896, 1559144), (16432, 1223632), (19592, 1026272), (19736, 1018784), (20224, 994201), (25792, 779572), (31837, 631552), (32071, 626944), (32864, 611816), (39184, 513136), (39472, 509392), (51584, 389786), (63674, 315776), (64142, 313472), (65728, 305908), (76477, 262912), (78368, 256568), (78944, 254696), (103168, 194893), (127348, 157888), (128284, 156736), (131456, 152954)]