20187293361

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{21407}}^1$

素因数の和:21685

約数の個数: 32

約数和(自身を含む): 28607938560

約数和(自身を除く): 8420645199

約数列:

[1, 3, 23, 69, 79, 173, 237, 519, 1817, 3979, 5451, 11937, 13667, 21407, 41001, 64221, 314341, 492361, 943023, 1477083, 1691153, 3703411, 5073459, 11110233, 38896519, 85178453, 116689557, 255535359, 292569469, 877708407, 6729097787, 20187293361]

約数ペア:

[(1, 20187293361), (3, 6729097787), (23, 877708407), (69, 292569469), (79, 255535359), (173, 116689557), (237, 85178453), (519, 38896519), (1817, 11110233), (3979, 5073459), (5451, 3703411), (11937, 1691153), (13667, 1477083), (21407, 943023), (41001, 492361), (64221, 314341)]