20888973075

素因数分解:

$3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{269}}^1\times {\mathrm{4643}}^1$

素因数の和:5148

約数の個数: 48

約数和(自身を含む): 34827770880

約数和(自身を除く): 13938797805

約数列:

[1, 3, 5, 15, 25, 75, 223, 269, 669, 807, 1115, 1345, 3345, 4035, 4643, 5575, 6725, 13929, 16725, 20175, 23215, 59987, 69645, 116075, 179961, 299935, 348225, 899805, 1035389, 1248967, 1499675, 3106167, 3746901, 4499025, 5176945, 6244835, 15530835, 18734505, 25884725, 31224175, 77654175, 93672525, 278519641, 835558923, 1392598205, 4177794615, 6962991025, 20888973075]

約数ペア:

[(1, 20888973075), (3, 6962991025), (5, 4177794615), (15, 1392598205), (25, 835558923), (75, 278519641), (223, 93672525), (269, 77654175), (669, 31224175), (807, 25884725), (1115, 18734505), (1345, 15530835), (3345, 6244835), (4035, 5176945), (4643, 4499025), (5575, 3746901), (6725, 3106167), (13929, 1499675), (16725, 1248967), (20175, 1035389), (23215, 899805), (59987, 348225), (69645, 299935), (116075, 179961)]