13420820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5639}}^1$

素因数の和:5672

約数の個数: 48

約数和(自身を含む): 34110720

約数和(自身を除く): 20689900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 5639, 11278, 22556, 28195, 39473, 56390, 78946, 95863, 112780, 157892, 191726, 197365, 383452, 394730, 479315, 671041, 789460, 958630, 1342082, 1917260, 2684164, 3355205, 6710410, 13420820]

約数ペア:

[(1, 13420820), (2, 6710410), (4, 3355205), (5, 2684164), (7, 1917260), (10, 1342082), (14, 958630), (17, 789460), (20, 671041), (28, 479315), (34, 394730), (35, 383452), (68, 197365), (70, 191726), (85, 157892), (119, 112780), (140, 95863), (170, 78946), (238, 56390), (340, 39473), (476, 28195), (595, 22556), (1190, 11278), (2380, 5639)]