20372490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5521}}^1$

素因数の和:5575

約数の個数: 48

約数和(自身を含む): 54270216

約数和(自身を除く): 33897726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5521, 11042, 16563, 27605, 33126, 49689, 55210, 82815, 99378, 165630, 226361, 248445, 452722, 496890, 679083, 1131805, 1358166, 2037249, 2263610, 3395415, 4074498, 6790830, 10186245, 20372490]

約数ペア:

[(1, 20372490), (2, 10186245), (3, 6790830), (5, 4074498), (6, 3395415), (9, 2263610), (10, 2037249), (15, 1358166), (18, 1131805), (30, 679083), (41, 496890), (45, 452722), (82, 248445), (90, 226361), (123, 165630), (205, 99378), (246, 82815), (369, 55210), (410, 49689), (615, 33126), (738, 27605), (1230, 16563), (1845, 11042), (3690, 5521)]