20175396075

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{5303}}^1$

素因数の和:5813

約数の個数: 72

約数和(自身を含む): 37201258848

約数和(自身を除く): 17025862773

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 457, 555, 925, 1371, 1665, 2285, 2775, 4113, 5303, 6855, 8325, 11425, 15909, 16909, 20565, 26515, 34275, 47727, 50727, 79545, 84545, 102825, 132575, 152181, 196211, 238635, 253635, 397725, 422725, 588633, 760905, 981055, 1193175, 1268175, 1765899, 2423471, 2943165, 3804525, 4905275, 7270413, 8829495, 12117355, 14715825, 21811239, 36352065, 44147475, 60586775, 89668427, 109056195, 181760325, 269005281, 448342135, 545280975, 807015843, 1345026405, 2241710675, 4035079215, 6725132025, 20175396075]

約数ペア:

[(1, 20175396075), (3, 6725132025), (5, 4035079215), (9, 2241710675), (15, 1345026405), (25, 807015843), (37, 545280975), (45, 448342135), (75, 269005281), (111, 181760325), (185, 109056195), (225, 89668427), (333, 60586775), (457, 44147475), (555, 36352065), (925, 21811239), (1371, 14715825), (1665, 12117355), (2285, 8829495), (2775, 7270413), (4113, 4905275), (5303, 3804525), (6855, 2943165), (8325, 2423471), (11425, 1765899), (15909, 1268175), (16909, 1193175), (20565, 981055), (26515, 760905), (34275, 588633), (47727, 422725), (50727, 397725), (79545, 253635), (84545, 238635), (102825, 196211), (132575, 152181)]