20673688

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2293}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 47072880

約数和(自身を除く): 26399192

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2254, 2293, 4508, 4586, 9016, 9172, 16051, 18344, 32102, 52739, 64204, 105478, 112357, 128408, 210956, 224714, 369173, 421912, 449428, 738346, 898856, 1476692, 2584211, 2953384, 5168422, 10336844, 20673688]

約数ペア:

[(1, 20673688), (2, 10336844), (4, 5168422), (7, 2953384), (8, 2584211), (14, 1476692), (23, 898856), (28, 738346), (46, 449428), (49, 421912), (56, 369173), (92, 224714), (98, 210956), (161, 128408), (184, 112357), (196, 105478), (322, 64204), (392, 52739), (644, 32102), (1127, 18344), (1288, 16051), (2254, 9172), (2293, 9016), (4508, 4586)]