20199100792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{10399}}^1$

素因数の和:11420

約数の個数: 64

約数和(自身を含む): 42981120000

約数和(自身を除く): 22782019208

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 983, 988, 1966, 1976, 3932, 7864, 10399, 12779, 18677, 20798, 25558, 37354, 41596, 51116, 74708, 83192, 102232, 135187, 149416, 197581, 242801, 270374, 395162, 485602, 540748, 790324, 971204, 1081496, 1580648, 1942408, 2568553, 5137106, 10222217, 10274212, 20444434, 20548424, 40888868, 81777736, 132888821, 194222123, 265777642, 388444246, 531555284, 776888492, 1063110568, 1553776984, 2524887599, 5049775198, 10099550396, 20199100792]

約数ペア:

[(1, 20199100792), (2, 10099550396), (4, 5049775198), (8, 2524887599), (13, 1553776984), (19, 1063110568), (26, 776888492), (38, 531555284), (52, 388444246), (76, 265777642), (104, 194222123), (152, 132888821), (247, 81777736), (494, 40888868), (983, 20548424), (988, 20444434), (1966, 10274212), (1976, 10222217), (3932, 5137106), (7864, 2568553), (10399, 1942408), (12779, 1580648), (18677, 1081496), (20798, 971204), (25558, 790324), (37354, 540748), (41596, 485602), (51116, 395162), (74708, 270374), (83192, 242801), (102232, 197581), (135187, 149416)]