20985245040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87438521}}^1$

素因数の和:87438537

約数の個数: 40

約数和(自身を含む): 65054260368

約数和(自身を除く): 44069015328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87438521, 174877042, 262315563, 349754084, 437192605, 524631126, 699508168, 874385210, 1049262252, 1311577815, 1399016336, 1748770420, 2098524504, 2623155630, 3497540840, 4197049008, 5246311260, 6995081680, 10492622520, 20985245040]

約数ペア:

[(1, 20985245040), (2, 10492622520), (3, 6995081680), (4, 5246311260), (5, 4197049008), (6, 3497540840), (8, 2623155630), (10, 2098524504), (12, 1748770420), (15, 1399016336), (16, 1311577815), (20, 1049262252), (24, 874385210), (30, 699508168), (40, 524631126), (48, 437192605), (60, 349754084), (80, 262315563), (120, 174877042), (240, 87438521)]