20407428

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9293}}^1$

素因数の和:9364

約数の個数: 36

約数和(自身を含む): 52436748

約数和(自身を除く): 32029320

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9293, 18586, 27879, 37172, 55758, 83637, 111516, 167274, 334548, 566873, 1133746, 1700619, 2267492, 3401238, 5101857, 6802476, 10203714, 20407428]

約数ペア:

[(1, 20407428), (2, 10203714), (3, 6802476), (4, 5101857), (6, 3401238), (9, 2267492), (12, 1700619), (18, 1133746), (36, 566873), (61, 334548), (122, 167274), (183, 111516), (244, 83637), (366, 55758), (549, 37172), (732, 27879), (1098, 18586), (2196, 9293)]