20116823025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{665569}}^1$

素因数の和:665626

約数の個数: 48

約数和(自身を含む): 36973744640

約数和(自身を除く): 16856921615

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 6045, 10075, 30225, 665569, 1996707, 3327845, 8652397, 9983535, 16639225, 20632639, 25957191, 43261985, 49917675, 61897917, 103163195, 129785955, 216309925, 268224307, 309489585, 515815975, 648929775, 804672921, 1341121535, 1547447925, 4023364605, 6705607675, 20116823025]

約数ペア:

[(1, 20116823025), (3, 6705607675), (5, 4023364605), (13, 1547447925), (15, 1341121535), (25, 804672921), (31, 648929775), (39, 515815975), (65, 309489585), (75, 268224307), (93, 216309925), (155, 129785955), (195, 103163195), (325, 61897917), (403, 49917675), (465, 43261985), (775, 25957191), (975, 20632639), (1209, 16639225), (2015, 9983535), (2325, 8652397), (6045, 3327845), (10075, 1996707), (30225, 665569)]