20500350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10513}}^1$

素因数の和:10541

約数の個数: 48

約数和(自身を含む): 54756912

約数和(自身を除く): 34256562

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10513, 21026, 31539, 52565, 63078, 105130, 136669, 157695, 262825, 273338, 315390, 410007, 525650, 683345, 788475, 820014, 1366690, 1576950, 2050035, 3416725, 4100070, 6833450, 10250175, 20500350]

約数ペア:

[(1, 20500350), (2, 10250175), (3, 6833450), (5, 4100070), (6, 3416725), (10, 2050035), (13, 1576950), (15, 1366690), (25, 820014), (26, 788475), (30, 683345), (39, 525650), (50, 410007), (65, 315390), (75, 273338), (78, 262825), (130, 157695), (150, 136669), (195, 105130), (325, 63078), (390, 52565), (650, 31539), (975, 21026), (1950, 10513)]