20474800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3011}}^1$

素因数の和:3046

約数の個数: 60

約数和(自身を含む): 52101576

約数和(自身を除く): 31626776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3011, 3400, 6022, 6800, 12044, 15055, 24088, 30110, 48176, 51187, 60220, 75275, 102374, 120440, 150550, 204748, 240880, 255935, 301100, 409496, 511870, 602200, 818992, 1023740, 1204400, 1279675, 2047480, 2559350, 4094960, 5118700, 10237400, 20474800]

約数ペア:

[(1, 20474800), (2, 10237400), (4, 5118700), (5, 4094960), (8, 2559350), (10, 2047480), (16, 1279675), (17, 1204400), (20, 1023740), (25, 818992), (34, 602200), (40, 511870), (50, 409496), (68, 301100), (80, 255935), (85, 240880), (100, 204748), (136, 150550), (170, 120440), (200, 102374), (272, 75275), (340, 60220), (400, 51187), (425, 48176), (680, 30110), (850, 24088), (1360, 15055), (1700, 12044), (3011, 6800), (3400, 6022)]