16694620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 19502660

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 113, 166, 178, 226, 332, 356, 415, 445, 452, 565, 830, 890, 1130, 1660, 1780, 2260, 7387, 9379, 10057, 14774, 18758, 20114, 29548, 36935, 37516, 40228, 46895, 50285, 73870, 93790, 100570, 147740, 187580, 201140, 834731, 1669462, 3338924, 4173655, 8347310, 16694620]

約数ペア:

[(1, 16694620), (2, 8347310), (4, 4173655), (5, 3338924), (10, 1669462), (20, 834731), (83, 201140), (89, 187580), (113, 147740), (166, 100570), (178, 93790), (226, 73870), (332, 50285), (356, 46895), (415, 40228), (445, 37516), (452, 36935), (565, 29548), (830, 20114), (890, 18758), (1130, 14774), (1660, 10057), (1780, 9379), (2260, 7387)]