20357170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 18450830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 307, 349, 614, 698, 1535, 1745, 3070, 3490, 5833, 6631, 11666, 13262, 29165, 33155, 58330, 66310, 107143, 214286, 535715, 1071430, 2035717, 4071434, 10178585, 20357170]

約数ペア:

[(1, 20357170), (2, 10178585), (5, 4071434), (10, 2035717), (19, 1071430), (38, 535715), (95, 214286), (190, 107143), (307, 66310), (349, 58330), (614, 33155), (698, 29165), (1535, 13262), (1745, 11666), (3070, 6631), (3490, 5833)]