20817030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53377}}^1$

素因数の和:53400

約数の個数: 32

約数和(自身を含む): 53805024

約数和(自身を除く): 32987994

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53377, 106754, 160131, 266885, 320262, 533770, 693901, 800655, 1387802, 1601310, 2081703, 3469505, 4163406, 6939010, 10408515, 20817030]

約数ペア:

[(1, 20817030), (2, 10408515), (3, 6939010), (5, 4163406), (6, 3469505), (10, 2081703), (13, 1601310), (15, 1387802), (26, 800655), (30, 693901), (39, 533770), (65, 320262), (78, 266885), (130, 160131), (195, 106754), (390, 53377)]