20008577875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{30253}}^1$

素因数の和:30329

約数の個数: 64

約数和(自身を含む): 30130079616

約数和(自身を除く): 10121501741

約数列:

[1, 5, 11, 13, 25, 37, 55, 65, 125, 143, 185, 275, 325, 407, 481, 715, 925, 1375, 1625, 2035, 2405, 3575, 4625, 5291, 10175, 12025, 17875, 26455, 30253, 50875, 60125, 132275, 151265, 332783, 393289, 661375, 756325, 1119361, 1663915, 1966445, 3781625, 4326179, 5596805, 8319575, 9832225, 12312971, 14551693, 21630895, 27984025, 41597875, 49161125, 61564855, 72758465, 108154475, 139920125, 160068623, 307824275, 363792325, 540772375, 800343115, 1539121375, 1818961625, 4001715575, 20008577875]

約数ペア:

[(1, 20008577875), (5, 4001715575), (11, 1818961625), (13, 1539121375), (25, 800343115), (37, 540772375), (55, 363792325), (65, 307824275), (125, 160068623), (143, 139920125), (185, 108154475), (275, 72758465), (325, 61564855), (407, 49161125), (481, 41597875), (715, 27984025), (925, 21630895), (1375, 14551693), (1625, 12312971), (2035, 9832225), (2405, 8319575), (3575, 5596805), (4625, 4326179), (5291, 3781625), (10175, 1966445), (12025, 1663915), (17875, 1119361), (26455, 756325), (30253, 661375), (50875, 393289), (60125, 332783), (132275, 151265)]