20461395

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 13822125

約数列:

[1, 3, 5, 15, 31, 79, 93, 155, 237, 395, 465, 557, 1185, 1671, 2449, 2785, 7347, 8355, 12245, 17267, 36735, 44003, 51801, 86335, 132009, 220015, 259005, 660045, 1364093, 4092279, 6820465, 20461395]

約数ペア:

[(1, 20461395), (3, 6820465), (5, 4092279), (15, 1364093), (31, 660045), (79, 259005), (93, 220015), (155, 132009), (237, 86335), (395, 51801), (465, 44003), (557, 36735), (1185, 17267), (1671, 12245), (2449, 8355), (2785, 7347)]