20035665

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 38722320

約数和(自身を除く): 18686655

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 585, 1131, 1181, 1305, 1885, 3393, 3543, 5655, 5905, 10629, 15353, 16965, 17715, 34249, 46059, 53145, 76765, 102747, 138177, 171245, 230295, 308241, 445237, 513735, 690885, 1335711, 1541205, 2226185, 4007133, 6678555, 20035665]

約数ペア:

[(1, 20035665), (3, 6678555), (5, 4007133), (9, 2226185), (13, 1541205), (15, 1335711), (29, 690885), (39, 513735), (45, 445237), (65, 308241), (87, 230295), (117, 171245), (145, 138177), (195, 102747), (261, 76765), (377, 53145), (435, 46059), (585, 34249), (1131, 17715), (1181, 16965), (1305, 15353), (1885, 10629), (3393, 5905), (3543, 5655)]