20291839512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{5441}}^1$

素因数の和:5817

約数の個数: 128

約数和(自身を含む): 58930329600

約数和(自身を除く): 38638490088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 281, 316, 474, 553, 562, 632, 843, 948, 1106, 1124, 1659, 1686, 1896, 1967, 2212, 2248, 3318, 3372, 3934, 4424, 5441, 5901, 6636, 6744, 7868, 10882, 11802, 13272, 15736, 16323, 21764, 22199, 23604, 32646, 38087, 43528, 44398, 47208, 65292, 66597, 76174, 88796, 114261, 130584, 133194, 152348, 155393, 177592, 228522, 266388, 304696, 310786, 429839, 457044, 466179, 532776, 621572, 859678, 914088, 932358, 1243144, 1289517, 1528921, 1719356, 1864716, 2579034, 3008873, 3057842, 3438712, 3729432, 4586763, 5158068, 6017746, 6115684, 9026619, 9173526, 10316136, 10702447, 12035492, 12231368, 18053238, 18347052, 21404894, 24070984, 32107341, 36106476, 36694104, 42809788, 64214682, 72212952, 85619576, 120784759, 128429364, 241569518, 256858728, 362354277, 483139036, 724708554, 845493313, 966278072, 1449417108, 1690986626, 2536479939, 2898834216, 3381973252, 5072959878, 6763946504, 10145919756, 20291839512]

約数ペア:

[(1, 20291839512), (2, 10145919756), (3, 6763946504), (4, 5072959878), (6, 3381973252), (7, 2898834216), (8, 2536479939), (12, 1690986626), (14, 1449417108), (21, 966278072), (24, 845493313), (28, 724708554), (42, 483139036), (56, 362354277), (79, 256858728), (84, 241569518), (158, 128429364), (168, 120784759), (237, 85619576), (281, 72212952), (316, 64214682), (474, 42809788), (553, 36694104), (562, 36106476), (632, 32107341), (843, 24070984), (948, 21404894), (1106, 18347052), (1124, 18053238), (1659, 12231368), (1686, 12035492), (1896, 10702447), (1967, 10316136), (2212, 9173526), (2248, 9026619), (3318, 6115684), (3372, 6017746), (3934, 5158068), (4424, 4586763), (5441, 3729432), (5901, 3438712), (6636, 3057842), (6744, 3008873), (7868, 2579034), (10882, 1864716), (11802, 1719356), (13272, 1528921), (15736, 1289517), (16323, 1243144), (21764, 932358), (22199, 914088), (23604, 859678), (32646, 621572), (38087, 532776), (43528, 466179), (44398, 457044), (47208, 429839), (65292, 310786), (66597, 304696), (76174, 266388), (88796, 228522), (114261, 177592), (130584, 155393), (133194, 152348)]