20534490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1511}}^1$

素因数の和:1675

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 33244326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1510, 1511, 2265, 2718, 3022, 4530, 4533, 6795, 7555, 9066, 13590, 13599, 15110, 22665, 27198, 45330, 67995, 135990, 228161, 456322, 684483, 1140805, 1368966, 2053449, 2281610, 3422415, 4106898, 6844830, 10267245, 20534490]

約数ペア:

[(1, 20534490), (2, 10267245), (3, 6844830), (5, 4106898), (6, 3422415), (9, 2281610), (10, 2053449), (15, 1368966), (18, 1140805), (30, 684483), (45, 456322), (90, 228161), (151, 135990), (302, 67995), (453, 45330), (755, 27198), (906, 22665), (1359, 15110), (1510, 13599), (1511, 13590), (2265, 9066), (2718, 7555), (3022, 6795), (4530, 4533)]