20572230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 56867328

約数和(自身を除く): 36295098

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 601, 815, 978, 1141, 1202, 1630, 1803, 2282, 2445, 3005, 3423, 3606, 4207, 4890, 5705, 6010, 6846, 8414, 9015, 11410, 12621, 17115, 18030, 21035, 25242, 34230, 42070, 63105, 97963, 126210, 195926, 293889, 489815, 587778, 685741, 979630, 1371482, 1469445, 2057223, 2938890, 3428705, 4114446, 6857410, 10286115, 20572230]

約数ペア:

[(1, 20572230), (2, 10286115), (3, 6857410), (5, 4114446), (6, 3428705), (7, 2938890), (10, 2057223), (14, 1469445), (15, 1371482), (21, 979630), (30, 685741), (35, 587778), (42, 489815), (70, 293889), (105, 195926), (163, 126210), (210, 97963), (326, 63105), (489, 42070), (601, 34230), (815, 25242), (978, 21035), (1141, 18030), (1202, 17115), (1630, 12621), (1803, 11410), (2282, 9015), (2445, 8414), (3005, 6846), (3423, 6010), (3606, 5705), (4207, 4890)]