20022590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9227}}^1$

素因数の和:9272

約数の個数: 32

約数和(自身を含む): 42522624

約数和(自身を除く): 22500034

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9227, 18454, 46135, 64589, 92270, 129178, 286037, 322945, 572074, 645890, 1430185, 2002259, 2860370, 4004518, 10011295, 20022590]

約数ペア:

[(1, 20022590), (2, 10011295), (5, 4004518), (7, 2860370), (10, 2002259), (14, 1430185), (31, 645890), (35, 572074), (62, 322945), (70, 286037), (155, 129178), (217, 92270), (310, 64589), (434, 46135), (1085, 18454), (2170, 9227)]