20103200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1966

約数の個数: 72

約数和(自身を含む): 52879428

約数和(自身を除く): 32776228

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1933, 2080, 2600, 3866, 5200, 7732, 9665, 10400, 15464, 19330, 25129, 30928, 38660, 48325, 50258, 61856, 77320, 96650, 100516, 125645, 154640, 193300, 201032, 251290, 309280, 386600, 402064, 502580, 628225, 773200, 804128, 1005160, 1256450, 1546400, 2010320, 2512900, 4020640, 5025800, 10051600, 20103200]

約数ペア:

[(1, 20103200), (2, 10051600), (4, 5025800), (5, 4020640), (8, 2512900), (10, 2010320), (13, 1546400), (16, 1256450), (20, 1005160), (25, 804128), (26, 773200), (32, 628225), (40, 502580), (50, 402064), (52, 386600), (65, 309280), (80, 251290), (100, 201032), (104, 193300), (130, 154640), (160, 125645), (200, 100516), (208, 96650), (260, 77320), (325, 61856), (400, 50258), (416, 48325), (520, 38660), (650, 30928), (800, 25129), (1040, 19330), (1300, 15464), (1933, 10400), (2080, 9665), (2600, 7732), (3866, 5200)]