20568132

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 36303228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 619, 639, 852, 923, 1238, 1278, 1846, 1857, 2476, 2556, 2769, 3692, 3714, 5538, 5571, 7428, 8047, 8307, 11076, 11142, 16094, 16614, 22284, 24141, 32188, 33228, 43949, 48282, 72423, 87898, 96564, 131847, 144846, 175796, 263694, 289692, 395541, 527388, 571337, 791082, 1142674, 1582164, 1714011, 2285348, 3428022, 5142033, 6856044, 10284066, 20568132]

約数ペア:

[(1, 20568132), (2, 10284066), (3, 6856044), (4, 5142033), (6, 3428022), (9, 2285348), (12, 1714011), (13, 1582164), (18, 1142674), (26, 791082), (36, 571337), (39, 527388), (52, 395541), (71, 289692), (78, 263694), (117, 175796), (142, 144846), (156, 131847), (213, 96564), (234, 87898), (284, 72423), (426, 48282), (468, 43949), (619, 33228), (639, 32188), (852, 24141), (923, 22284), (1238, 16614), (1278, 16094), (1846, 11142), (1857, 11076), (2476, 8307), (2556, 8047), (2769, 7428), (3692, 5571), (3714, 5538)]