20635664

素因数分解:

$2^4\times 7^2\times {\mathrm{26321}}^1$

素因数の和:26343

約数の個数: 30

約数和(自身を含む): 46510974

約数和(自身を除く): 25875310

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26321, 52642, 105284, 184247, 210568, 368494, 421136, 736988, 1289729, 1473976, 2579458, 2947952, 5158916, 10317832, 20635664]

約数ペア:

[(1, 20635664), (2, 10317832), (4, 5158916), (7, 2947952), (8, 2579458), (14, 1473976), (16, 1289729), (28, 736988), (49, 421136), (56, 368494), (98, 210568), (112, 184247), (196, 105284), (392, 52642), (784, 26321)]