20145720671

素因数分解:

${\mathrm{149}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 20399796000

約数和(自身を除く): 254075329

約数列:

[1, 149, 491, 509, 541, 73159, 75841, 80609, 249919, 265631, 275369, 37237931, 39579019, 41029981, 135206179, 20145720671]

約数ペア:

[(1, 20145720671), (149, 135206179), (491, 41029981), (509, 39579019), (541, 37237931), (73159, 275369), (75841, 265631), (80609, 249919)]