20921766

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151607}}^1$

素因数の和:151635

約数の個数: 16

約数和(自身を含む): 43663104

約数和(自身を除く): 22741338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 151607, 303214, 454821, 909642, 3486961, 6973922, 10460883, 20921766]

約数ペア:

[(1, 20921766), (2, 10460883), (3, 6973922), (6, 3486961), (23, 909642), (46, 454821), (69, 303214), (138, 151607)]