20121577725

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{154277}}^1$

素因数の和:154374

約数の個数: 48

約数和(自身を含む): 34893980928

約数和(自身を除く): 14772403203

約数列:

[1, 3, 5, 15, 25, 37, 47, 75, 111, 141, 185, 235, 555, 705, 925, 1175, 1739, 2775, 3525, 5217, 8695, 26085, 43475, 130425, 154277, 462831, 771385, 2314155, 3856925, 5708249, 7251019, 11570775, 17124747, 21753057, 28541245, 36255095, 85623735, 108765285, 142706225, 181275475, 268287703, 428118675, 543826425, 804863109, 1341438515, 4024315545, 6707192575, 20121577725]

約数ペア:

[(1, 20121577725), (3, 6707192575), (5, 4024315545), (15, 1341438515), (25, 804863109), (37, 543826425), (47, 428118675), (75, 268287703), (111, 181275475), (141, 142706225), (185, 108765285), (235, 85623735), (555, 36255095), (705, 28541245), (925, 21753057), (1175, 17124747), (1739, 11570775), (2775, 7251019), (3525, 5708249), (5217, 3856925), (8695, 2314155), (26085, 771385), (43475, 462831), (130425, 154277)]