20163345405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{2357}}^1$

素因数の和:2595

約数の個数: 96

約数和(自身を含む): 38244420864

約数和(自身を除く): 18081075459

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 103, 105, 113, 147, 245, 309, 339, 515, 565, 721, 735, 791, 1545, 1695, 2163, 2357, 2373, 3605, 3955, 5047, 5537, 7071, 10815, 11639, 11785, 11865, 15141, 16499, 16611, 25235, 27685, 34917, 35355, 49497, 58195, 75705, 81473, 82495, 83055, 115493, 174585, 242771, 244419, 247485, 266341, 346479, 407365, 570311, 577465, 728313, 799023, 1213855, 1222095, 1331705, 1699397, 1710933, 1732395, 1864387, 2851555, 3641565, 3995115, 5098191, 5593161, 8496985, 8554665, 9321935, 11895779, 13050709, 25490955, 27433123, 27965805, 35687337, 39152127, 59478895, 65253545, 82299369, 137165615, 178436685, 192031861, 195760635, 411496845, 576095583, 960159305, 1344223027, 2880477915, 4032669081, 6721115135, 20163345405]

約数ペア:

[(1, 20163345405), (3, 6721115135), (5, 4032669081), (7, 2880477915), (15, 1344223027), (21, 960159305), (35, 576095583), (49, 411496845), (103, 195760635), (105, 192031861), (113, 178436685), (147, 137165615), (245, 82299369), (309, 65253545), (339, 59478895), (515, 39152127), (565, 35687337), (721, 27965805), (735, 27433123), (791, 25490955), (1545, 13050709), (1695, 11895779), (2163, 9321935), (2357, 8554665), (2373, 8496985), (3605, 5593161), (3955, 5098191), (5047, 3995115), (5537, 3641565), (7071, 2851555), (10815, 1864387), (11639, 1732395), (11785, 1710933), (11865, 1699397), (15141, 1331705), (16499, 1222095), (16611, 1213855), (25235, 799023), (27685, 728313), (34917, 577465), (35355, 570311), (49497, 407365), (58195, 346479), (75705, 266341), (81473, 247485), (82495, 244419), (83055, 242771), (115493, 174585)]