20702656

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 56

約数和(自身を含む): 44805600

約数和(自身を除く): 24102944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 149, 167, 208, 298, 334, 416, 596, 668, 832, 1192, 1336, 1937, 2171, 2384, 2672, 3874, 4342, 4768, 5344, 7748, 8684, 9536, 10688, 15496, 17368, 24883, 30992, 34736, 49766, 61984, 69472, 99532, 123968, 138944, 199064, 323479, 398128, 646958, 796256, 1293916, 1592512, 2587832, 5175664, 10351328, 20702656]

約数ペア:

[(1, 20702656), (2, 10351328), (4, 5175664), (8, 2587832), (13, 1592512), (16, 1293916), (26, 796256), (32, 646958), (52, 398128), (64, 323479), (104, 199064), (149, 138944), (167, 123968), (208, 99532), (298, 69472), (334, 61984), (416, 49766), (596, 34736), (668, 30992), (832, 24883), (1192, 17368), (1336, 15496), (1937, 10688), (2171, 9536), (2384, 8684), (2672, 7748), (3874, 5344), (4342, 4768)]