20108778

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1990

約数の個数: 32

約数和(自身を含む): 42178752

約数和(自身を除く): 22069974

約数列:

[1, 2, 3, 6, 41, 43, 82, 86, 123, 129, 246, 258, 1763, 1901, 3526, 3802, 5289, 5703, 10578, 11406, 77941, 81743, 155882, 163486, 233823, 245229, 467646, 490458, 3351463, 6702926, 10054389, 20108778]

約数ペア:

[(1, 20108778), (2, 10054389), (3, 6702926), (6, 3351463), (41, 490458), (43, 467646), (82, 245229), (86, 233823), (123, 163486), (129, 155882), (246, 81743), (258, 77941), (1763, 11406), (1901, 10578), (3526, 5703), (3802, 5289)]