20635216

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9697}}^1$

素因数の和:9731

約数の個数: 40

約数和(自身を含む): 48102080

約数和(自身を除く): 27466864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9697, 19394, 38788, 67879, 77576, 135758, 155152, 184243, 271516, 368486, 543032, 736972, 1086064, 1289701, 1473944, 2579402, 2947888, 5158804, 10317608, 20635216]

約数ペア:

[(1, 20635216), (2, 10317608), (4, 5158804), (7, 2947888), (8, 2579402), (14, 1473944), (16, 1289701), (19, 1086064), (28, 736972), (38, 543032), (56, 368486), (76, 271516), (112, 184243), (133, 155152), (152, 135758), (266, 77576), (304, 67879), (532, 38788), (1064, 19394), (2128, 9697)]