20090401911

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{22273}}^1$

素因数の和:22424

約数の個数: 48

約数和(自身を含む): 31022514432

約数和(自身を除く): 10932112521

約数列:

[1, 3, 9, 31, 53, 61, 93, 159, 183, 279, 477, 549, 1643, 1891, 3233, 4929, 5673, 9699, 14787, 17019, 22273, 29097, 66819, 100223, 200457, 300669, 690463, 902007, 1180469, 1358653, 2071389, 3541407, 4075959, 6214167, 10624221, 12227877, 36594539, 42118243, 72008609, 109783617, 126354729, 216025827, 329350851, 379064187, 648077481, 2232266879, 6696800637, 20090401911]

約数ペア:

[(1, 20090401911), (3, 6696800637), (9, 2232266879), (31, 648077481), (53, 379064187), (61, 329350851), (93, 216025827), (159, 126354729), (183, 109783617), (279, 72008609), (477, 42118243), (549, 36594539), (1643, 12227877), (1891, 10624221), (3233, 6214167), (4929, 4075959), (5673, 3541407), (9699, 2071389), (14787, 1358653), (17019, 1180469), (22273, 902007), (29097, 690463), (66819, 300669), (100223, 200457)]