20574190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1033

約数の個数: 64

約数和(自身を含む): 47609856

約数和(自身を除く): 27035666

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 983, 1495, 1610, 1966, 2093, 2990, 4186, 4915, 6881, 9830, 10465, 12779, 13762, 20930, 22609, 25558, 34405, 45218, 63895, 68810, 89453, 113045, 127790, 158263, 178906, 226090, 293917, 316526, 447265, 587834, 791315, 894530, 1469585, 1582630, 2057419, 2939170, 4114838, 10287095, 20574190]

約数ペア:

[(1, 20574190), (2, 10287095), (5, 4114838), (7, 2939170), (10, 2057419), (13, 1582630), (14, 1469585), (23, 894530), (26, 791315), (35, 587834), (46, 447265), (65, 316526), (70, 293917), (91, 226090), (115, 178906), (130, 158263), (161, 127790), (182, 113045), (230, 89453), (299, 68810), (322, 63895), (455, 45218), (598, 34405), (805, 25558), (910, 22609), (983, 20930), (1495, 13762), (1610, 12779), (1966, 10465), (2093, 9830), (2990, 6881), (4186, 4915)]