20172458205

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{52919}}^1$

素因数の和:53170

約数の個数: 48

約数和(自身を含む): 35961045120

約数和(自身を除く): 15788586915

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 197, 215, 387, 591, 645, 985, 1773, 1935, 2955, 8471, 8865, 25413, 42355, 52919, 76239, 127065, 158757, 264595, 381195, 476271, 793785, 2275517, 2381355, 6826551, 10425043, 11377585, 20479653, 31275129, 34132755, 52125215, 93825387, 102398265, 156375645, 448276849, 469126935, 1344830547, 2241384245, 4034491641, 6724152735, 20172458205]

約数ペア:

[(1, 20172458205), (3, 6724152735), (5, 4034491641), (9, 2241384245), (15, 1344830547), (43, 469126935), (45, 448276849), (129, 156375645), (197, 102398265), (215, 93825387), (387, 52125215), (591, 34132755), (645, 31275129), (985, 20479653), (1773, 11377585), (1935, 10425043), (2955, 6826551), (8471, 2381355), (8865, 2275517), (25413, 793785), (42355, 476271), (52919, 381195), (76239, 264595), (127065, 158757)]