20123050745

素因数分解:

$5^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{164599}}^1$

素因数の和:165117

約数の個数: 24

約数和(自身を含む): 28146600000

約数和(自身を除く): 8023549255

約数列:

[1, 5, 7, 35, 49, 245, 499, 2495, 3493, 17465, 24451, 122255, 164599, 822995, 1152193, 5760965, 8065351, 40326755, 82134901, 410674505, 574944307, 2874721535, 4024610149, 20123050745]

約数ペア:

[(1, 20123050745), (5, 4024610149), (7, 2874721535), (35, 574944307), (49, 410674505), (245, 82134901), (499, 40326755), (2495, 8065351), (3493, 5760965), (17465, 1152193), (24451, 822995), (122255, 164599)]