20100390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29131}}^1$

素因数の和:29164

約数の個数: 32

約数和(自身を含む): 50340096

約数和(自身を除く): 30239706

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29131, 58262, 87393, 145655, 174786, 291310, 436965, 670013, 873930, 1340026, 2010039, 3350065, 4020078, 6700130, 10050195, 20100390]

約数ペア:

[(1, 20100390), (2, 10050195), (3, 6700130), (5, 4020078), (6, 3350065), (10, 2010039), (15, 1340026), (23, 873930), (30, 670013), (46, 436965), (69, 291310), (115, 174786), (138, 145655), (230, 87393), (345, 58262), (690, 29131)]