20913150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1425

約数の個数: 48

約数和(自身を含む): 52389504

約数和(自身を除く): 31476354

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 107, 150, 214, 321, 535, 642, 1070, 1303, 1605, 2606, 2675, 3210, 3909, 5350, 6515, 7818, 8025, 13030, 16050, 19545, 32575, 39090, 65150, 97725, 139421, 195450, 278842, 418263, 697105, 836526, 1394210, 2091315, 3485525, 4182630, 6971050, 10456575, 20913150]

約数ペア:

[(1, 20913150), (2, 10456575), (3, 6971050), (5, 4182630), (6, 3485525), (10, 2091315), (15, 1394210), (25, 836526), (30, 697105), (50, 418263), (75, 278842), (107, 195450), (150, 139421), (214, 97725), (321, 65150), (535, 39090), (642, 32575), (1070, 19545), (1303, 16050), (1605, 13030), (2606, 8025), (2675, 7818), (3210, 6515), (3909, 5350)]