20801982

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8867}}^1$

素因数の和:8912

約数の個数: 32

約数和(自身を含む): 45971712

約数和(自身を除く): 25169730

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 8867, 17734, 26601, 53202, 150739, 203941, 301478, 407882, 452217, 611823, 904434, 1223646, 3466997, 6933994, 10400991, 20801982]

約数ペア:

[(1, 20801982), (2, 10400991), (3, 6933994), (6, 3466997), (17, 1223646), (23, 904434), (34, 611823), (46, 452217), (51, 407882), (69, 301478), (102, 203941), (138, 150739), (391, 53202), (782, 26601), (1173, 17734), (2346, 8867)]