20720640002

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2242979}}^1$

素因数の和:2243161

約数の個数: 16

約数和(自身を含む): 32298912000

約数和(自身を除く): 11578271998

約数列:

[1, 2, 31, 62, 149, 298, 4619, 9238, 2242979, 4485958, 69532349, 139064698, 334203871, 668407742, 10360320001, 20720640002]

約数ペア:

[(1, 20720640002), (2, 10360320001), (31, 668407742), (62, 334203871), (149, 139064698), (298, 69532349), (4619, 4485958), (9238, 2242979)]