20462325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 37664256

約数和(自身を除く): 17201931

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 677, 775, 975, 1209, 2015, 2031, 2325, 3385, 6045, 8801, 10075, 10155, 16925, 20987, 26403, 30225, 44005, 50775, 62961, 104935, 132015, 220025, 272831, 314805, 524675, 660075, 818493, 1364155, 1574025, 4092465, 6820775, 20462325]

約数ペア:

[(1, 20462325), (3, 6820775), (5, 4092465), (13, 1574025), (15, 1364155), (25, 818493), (31, 660075), (39, 524675), (65, 314805), (75, 272831), (93, 220025), (155, 132015), (195, 104935), (325, 62961), (403, 50775), (465, 44005), (677, 30225), (775, 26403), (975, 20987), (1209, 16925), (2015, 10155), (2031, 10075), (2325, 8801), (3385, 6045)]