20125101444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{42307}}^1$

素因数の和:43137

約数の個数: 72

約数和(自身を含む): 54694090080

約数和(自身を除く): 34568988636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 809, 1618, 2427, 3236, 4854, 5663, 9708, 11326, 16989, 22652, 33978, 39641, 42307, 67956, 79282, 84614, 118923, 126921, 158564, 169228, 237846, 253842, 296149, 475692, 507684, 592298, 888447, 1184596, 1776894, 2073043, 3553788, 4146086, 6219129, 8292172, 12438258, 24876516, 34226363, 68452726, 102679089, 136905452, 205358178, 239584541, 410716356, 479169082, 718753623, 958338164, 1437507246, 1677091787, 2875014492, 3354183574, 5031275361, 6708367148, 10062550722, 20125101444]

約数ペア:

[(1, 20125101444), (2, 10062550722), (3, 6708367148), (4, 5031275361), (6, 3354183574), (7, 2875014492), (12, 1677091787), (14, 1437507246), (21, 958338164), (28, 718753623), (42, 479169082), (49, 410716356), (84, 239584541), (98, 205358178), (147, 136905452), (196, 102679089), (294, 68452726), (588, 34226363), (809, 24876516), (1618, 12438258), (2427, 8292172), (3236, 6219129), (4854, 4146086), (5663, 3553788), (9708, 2073043), (11326, 1776894), (16989, 1184596), (22652, 888447), (33978, 592298), (39641, 507684), (42307, 475692), (67956, 296149), (79282, 253842), (84614, 237846), (118923, 169228), (126921, 158564)]