20178032856

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{128693}}^1$

素因数の和:128888

約数の個数: 64

約数和(自身を含む): 51889420800

約数和(自身を除く): 31711387944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 139, 141, 188, 278, 282, 376, 417, 556, 564, 834, 1112, 1128, 1668, 3336, 6533, 13066, 19599, 26132, 39198, 52264, 78396, 128693, 156792, 257386, 386079, 514772, 772158, 1029544, 1544316, 3088632, 6048571, 12097142, 17888327, 18145713, 24194284, 35776654, 36291426, 48388568, 53664981, 71553308, 72582852, 107329962, 143106616, 145165704, 214659924, 429319848, 840751369, 1681502738, 2522254107, 3363005476, 5044508214, 6726010952, 10089016428, 20178032856]

約数ペア:

[(1, 20178032856), (2, 10089016428), (3, 6726010952), (4, 5044508214), (6, 3363005476), (8, 2522254107), (12, 1681502738), (24, 840751369), (47, 429319848), (94, 214659924), (139, 145165704), (141, 143106616), (188, 107329962), (278, 72582852), (282, 71553308), (376, 53664981), (417, 48388568), (556, 36291426), (564, 35776654), (834, 24194284), (1112, 18145713), (1128, 17888327), (1668, 12097142), (3336, 6048571), (6533, 3088632), (13066, 1544316), (19599, 1029544), (26132, 772158), (39198, 514772), (52264, 386079), (78396, 257386), (128693, 156792)]