20974770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13709}}^1$

素因数の和:13739

約数の個数: 48

約数和(自身を含む): 57746520

約数和(自身を除く): 36771750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13709, 27418, 41127, 68545, 82254, 123381, 137090, 205635, 233053, 246762, 411270, 466106, 616905, 699159, 1165265, 1233810, 1398318, 2097477, 2330530, 3495795, 4194954, 6991590, 10487385, 20974770]

約数ペア:

[(1, 20974770), (2, 10487385), (3, 6991590), (5, 4194954), (6, 3495795), (9, 2330530), (10, 2097477), (15, 1398318), (17, 1233810), (18, 1165265), (30, 699159), (34, 616905), (45, 466106), (51, 411270), (85, 246762), (90, 233053), (102, 205635), (153, 137090), (170, 123381), (255, 82254), (306, 68545), (510, 41127), (765, 27418), (1530, 13709)]