20408670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13339}}^1$

素因数の和:13369

約数の個数: 48

約数和(自身を含む): 56188080

約数和(自身を除く): 35779410

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, 13339, 26678, 40017, 66695, 80034, 120051, 133390, 200085, 226763, 240102, 400170, 453526, 600255, 680289, 1133815, 1200510, 1360578, 2040867, 2267630, 3401445, 4081734, 6802890, 10204335, 20408670]

約数ペア:

[(1, 20408670), (2, 10204335), (3, 6802890), (5, 4081734), (6, 3401445), (9, 2267630), (10, 2040867), (15, 1360578), (17, 1200510), (18, 1133815), (30, 680289), (34, 600255), (45, 453526), (51, 400170), (85, 240102), (90, 226763), (102, 200085), (153, 133390), (170, 120051), (255, 80034), (306, 66695), (510, 40017), (765, 26678), (1530, 13339)]