20968950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3251}}^1$

素因数の和:3309

約数の個数: 48

約数和(自身を含む): 53228736

約数和(自身を除く): 32259786

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 3251, 6450, 6502, 9753, 16255, 19506, 32510, 48765, 81275, 97530, 139793, 162550, 243825, 279586, 419379, 487650, 698965, 838758, 1397930, 2096895, 3494825, 4193790, 6989650, 10484475, 20968950]

約数ペア:

[(1, 20968950), (2, 10484475), (3, 6989650), (5, 4193790), (6, 3494825), (10, 2096895), (15, 1397930), (25, 838758), (30, 698965), (43, 487650), (50, 419379), (75, 279586), (86, 243825), (129, 162550), (150, 139793), (215, 97530), (258, 81275), (430, 48765), (645, 32510), (1075, 19506), (1290, 16255), (2150, 9753), (3225, 6502), (3251, 6450)]