20697200

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:954

約数の個数: 60

約数和(自身を含む): 50625480

約数和(自身を除く): 29928280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 200, 236, 295, 400, 472, 590, 877, 944, 1180, 1475, 1754, 2360, 2950, 3508, 4385, 4720, 5900, 7016, 8770, 11800, 14032, 17540, 21925, 23600, 35080, 43850, 51743, 70160, 87700, 103486, 175400, 206972, 258715, 350800, 413944, 517430, 827888, 1034860, 1293575, 2069720, 2587150, 4139440, 5174300, 10348600, 20697200]

約数ペア:

[(1, 20697200), (2, 10348600), (4, 5174300), (5, 4139440), (8, 2587150), (10, 2069720), (16, 1293575), (20, 1034860), (25, 827888), (40, 517430), (50, 413944), (59, 350800), (80, 258715), (100, 206972), (118, 175400), (200, 103486), (236, 87700), (295, 70160), (400, 51743), (472, 43850), (590, 35080), (877, 23600), (944, 21925), (1180, 17540), (1475, 14032), (1754, 11800), (2360, 8770), (2950, 7016), (3508, 5900), (4385, 4720)]