20897292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 53090912

約数和(自身を除く): 32193620

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 156, 194, 291, 388, 582, 1164, 1261, 1381, 2522, 2762, 3783, 4143, 5044, 5524, 7566, 8286, 15132, 16572, 17953, 35906, 53859, 71812, 107718, 133957, 215436, 267914, 401871, 535828, 803742, 1607484, 1741441, 3482882, 5224323, 6965764, 10448646, 20897292]

約数ペア:

[(1, 20897292), (2, 10448646), (3, 6965764), (4, 5224323), (6, 3482882), (12, 1741441), (13, 1607484), (26, 803742), (39, 535828), (52, 401871), (78, 267914), (97, 215436), (156, 133957), (194, 107718), (291, 71812), (388, 53859), (582, 35906), (1164, 17953), (1261, 16572), (1381, 15132), (2522, 8286), (2762, 7566), (3783, 5524), (4143, 5044)]