20635888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14173}}^1$

素因数の和:14201

約数の個数: 40

約数和(自身を含む): 49212128

約数和(自身を除く): 28576240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14173, 28346, 56692, 99211, 113384, 184249, 198422, 226768, 368498, 396844, 736996, 793688, 1289743, 1473992, 1587376, 2579486, 2947984, 5158972, 10317944, 20635888]

約数ペア:

[(1, 20635888), (2, 10317944), (4, 5158972), (7, 2947984), (8, 2579486), (13, 1587376), (14, 1473992), (16, 1289743), (26, 793688), (28, 736996), (52, 396844), (56, 368498), (91, 226768), (104, 198422), (112, 184249), (182, 113384), (208, 99211), (364, 56692), (728, 28346), (1456, 14173)]