20038681285

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 28327864320

約数和(自身を除く): 8289183035

約数列:

[1, 5, 7, 35, 83, 101, 163, 415, 419, 505, 581, 707, 815, 1141, 2095, 2905, 2933, 3535, 5705, 8383, 13529, 14665, 16463, 34777, 41915, 42319, 58681, 67645, 68297, 82315, 94703, 115241, 173885, 211595, 243439, 293405, 296233, 341485, 473515, 478079, 576205, 1217195, 1366429, 1481165, 2390395, 3512477, 5668651, 6832145, 6897997, 9565003, 17562385, 24587339, 28343255, 34489985, 39680557, 47825015, 48285979, 122936695, 198402785, 241429895, 572533751, 2862668755, 4007736257, 20038681285]

約数ペア:

[(1, 20038681285), (5, 4007736257), (7, 2862668755), (35, 572533751), (83, 241429895), (101, 198402785), (163, 122936695), (415, 48285979), (419, 47825015), (505, 39680557), (581, 34489985), (707, 28343255), (815, 24587339), (1141, 17562385), (2095, 9565003), (2905, 6897997), (2933, 6832145), (3535, 5668651), (5705, 3512477), (8383, 2390395), (13529, 1481165), (14665, 1366429), (16463, 1217195), (34777, 576205), (41915, 478079), (42319, 473515), (58681, 341485), (67645, 296233), (68297, 293405), (82315, 243439), (94703, 211595), (115241, 173885)]