20102070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15583}}^1$

素因数の和:15636

約数の個数: 32

約数和(自身を含む): 49370112

約数和(自身を除く): 29268042

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15583, 31166, 46749, 77915, 93498, 155830, 233745, 467490, 670069, 1340138, 2010207, 3350345, 4020414, 6700690, 10051035, 20102070]

約数ペア:

[(1, 20102070), (2, 10051035), (3, 6700690), (5, 4020414), (6, 3350345), (10, 2010207), (15, 1340138), (30, 670069), (43, 467490), (86, 233745), (129, 155830), (215, 93498), (258, 77915), (430, 46749), (645, 31166), (1290, 15583)]