20127750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 51397632

約数和(自身を除く): 31269882

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 125, 141, 150, 235, 250, 282, 375, 470, 571, 705, 750, 1142, 1175, 1410, 1713, 2350, 2855, 3426, 3525, 5710, 5875, 7050, 8565, 11750, 14275, 17130, 17625, 26837, 28550, 35250, 42825, 53674, 71375, 80511, 85650, 134185, 142750, 161022, 214125, 268370, 402555, 428250, 670925, 805110, 1341850, 2012775, 3354625, 4025550, 6709250, 10063875, 20127750]

約数ペア:

[(1, 20127750), (2, 10063875), (3, 6709250), (5, 4025550), (6, 3354625), (10, 2012775), (15, 1341850), (25, 805110), (30, 670925), (47, 428250), (50, 402555), (75, 268370), (94, 214125), (125, 161022), (141, 142750), (150, 134185), (235, 85650), (250, 80511), (282, 71375), (375, 53674), (470, 42825), (571, 35250), (705, 28550), (750, 26837), (1142, 17625), (1175, 17130), (1410, 14275), (1713, 11750), (2350, 8565), (2855, 7050), (3426, 5875), (3525, 5710)]