20090170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 37624320

約数和(自身を除く): 17534150

約数列:

[1, 2, 5, 10, 31, 62, 155, 229, 283, 310, 458, 566, 1145, 1415, 2290, 2830, 7099, 8773, 14198, 17546, 35495, 43865, 64807, 70990, 87730, 129614, 324035, 648070, 2009017, 4018034, 10045085, 20090170]

約数ペア:

[(1, 20090170), (2, 10045085), (5, 4018034), (10, 2009017), (31, 648070), (62, 324035), (155, 129614), (229, 87730), (283, 70990), (310, 64807), (458, 43865), (566, 35495), (1145, 17546), (1415, 14198), (2290, 8773), (2830, 7099)]