20303200

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:680

約数の個数: 72

約数和(自身を含む): 50856120

約数和(自身を除く): 30552920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 619, 656, 800, 820, 1025, 1238, 1312, 1640, 2050, 2476, 3095, 3280, 4100, 4952, 6190, 6560, 8200, 9904, 12380, 15475, 16400, 19808, 24760, 25379, 30950, 32800, 49520, 50758, 61900, 99040, 101516, 123800, 126895, 203032, 247600, 253790, 406064, 495200, 507580, 634475, 812128, 1015160, 1268950, 2030320, 2537900, 4060640, 5075800, 10151600, 20303200]

約数ペア:

[(1, 20303200), (2, 10151600), (4, 5075800), (5, 4060640), (8, 2537900), (10, 2030320), (16, 1268950), (20, 1015160), (25, 812128), (32, 634475), (40, 507580), (41, 495200), (50, 406064), (80, 253790), (82, 247600), (100, 203032), (160, 126895), (164, 123800), (200, 101516), (205, 99040), (328, 61900), (400, 50758), (410, 49520), (619, 32800), (656, 30950), (800, 25379), (820, 24760), (1025, 19808), (1238, 16400), (1312, 15475), (1640, 12380), (2050, 9904), (2476, 8200), (3095, 6560), (3280, 6190), (4100, 4952)]