20867448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 39128712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 223, 446, 557, 669, 892, 1114, 1338, 1561, 1671, 1784, 2228, 2676, 3122, 3342, 3899, 4456, 4683, 5352, 6244, 6684, 7798, 9366, 11697, 12488, 13368, 15596, 18732, 23394, 31192, 37464, 46788, 93576, 124211, 248422, 372633, 496844, 745266, 869477, 993688, 1490532, 1738954, 2608431, 2981064, 3477908, 5216862, 6955816, 10433724, 20867448]

約数ペア:

[(1, 20867448), (2, 10433724), (3, 6955816), (4, 5216862), (6, 3477908), (7, 2981064), (8, 2608431), (12, 1738954), (14, 1490532), (21, 993688), (24, 869477), (28, 745266), (42, 496844), (56, 372633), (84, 248422), (168, 124211), (223, 93576), (446, 46788), (557, 37464), (669, 31192), (892, 23394), (1114, 18732), (1338, 15596), (1561, 13368), (1671, 12488), (1784, 11697), (2228, 9366), (2676, 7798), (3122, 6684), (3342, 6244), (3899, 5352), (4456, 4683)]