20154522976

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{18671}}^1$

素因数の和:18828

約数の個数: 96

約数和(自身を含む): 46677012480

約数和(自身を除く): 26522489504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 79, 112, 122, 158, 224, 244, 316, 427, 488, 553, 632, 854, 976, 1106, 1264, 1708, 1952, 2212, 2528, 3416, 4424, 4819, 6832, 8848, 9638, 13664, 17696, 18671, 19276, 33733, 37342, 38552, 67466, 74684, 77104, 130697, 134932, 149368, 154208, 261394, 269864, 298736, 522788, 539728, 597472, 1045576, 1079456, 1138931, 1475009, 2091152, 2277862, 2950018, 4182304, 4555724, 5900036, 7972517, 9111448, 10325063, 11800072, 15945034, 18222896, 20650126, 23600144, 31890068, 36445792, 41300252, 47200288, 63780136, 82600504, 89975549, 127560272, 165201008, 179951098, 255120544, 330402016, 359902196, 629828843, 719804392, 1259657686, 1439608784, 2519315372, 2879217568, 5038630744, 10077261488, 20154522976]

約数ペア:

[(1, 20154522976), (2, 10077261488), (4, 5038630744), (7, 2879217568), (8, 2519315372), (14, 1439608784), (16, 1259657686), (28, 719804392), (32, 629828843), (56, 359902196), (61, 330402016), (79, 255120544), (112, 179951098), (122, 165201008), (158, 127560272), (224, 89975549), (244, 82600504), (316, 63780136), (427, 47200288), (488, 41300252), (553, 36445792), (632, 31890068), (854, 23600144), (976, 20650126), (1106, 18222896), (1264, 15945034), (1708, 11800072), (1952, 10325063), (2212, 9111448), (2528, 7972517), (3416, 5900036), (4424, 4555724), (4819, 4182304), (6832, 2950018), (8848, 2277862), (9638, 2091152), (13664, 1475009), (17696, 1138931), (18671, 1079456), (19276, 1045576), (33733, 597472), (37342, 539728), (38552, 522788), (67466, 298736), (74684, 269864), (77104, 261394), (130697, 154208), (134932, 149368)]