20390310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13327}}^1$

素因数の和:13357

約数の個数: 48

約数和(自身を含む): 56137536

約数和(自身を除く): 35747226

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, 13327, 26654, 39981, 66635, 79962, 119943, 133270, 199905, 226559, 239886, 399810, 453118, 599715, 679677, 1132795, 1199430, 1359354, 2039031, 2265590, 3398385, 4078062, 6796770, 10195155, 20390310]

約数ペア:

[(1, 20390310), (2, 10195155), (3, 6796770), (5, 4078062), (6, 3398385), (9, 2265590), (10, 2039031), (15, 1359354), (17, 1199430), (18, 1132795), (30, 679677), (34, 599715), (45, 453118), (51, 399810), (85, 239886), (90, 226559), (102, 199905), (153, 133270), (170, 119943), (255, 79962), (306, 66635), (510, 39981), (765, 26654), (1530, 13327)]