20048630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9239}}^1$

素因数の和:9284

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 22529290

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9239, 18478, 46195, 64673, 92390, 129346, 286409, 323365, 572818, 646730, 1432045, 2004863, 2864090, 4009726, 10024315, 20048630]

約数ペア:

[(1, 20048630), (2, 10024315), (5, 4009726), (7, 2864090), (10, 2004863), (14, 1432045), (31, 646730), (35, 572818), (62, 323365), (70, 286409), (155, 129346), (217, 92390), (310, 64673), (434, 46195), (1085, 18478), (2170, 9239)]