20121278570

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{272683}}^1$

素因数の和:272894

約数の個数: 32

約数和(自身を含む): 37224638208

約数和(自身を除く): 17103359638

約数列:

[1, 2, 5, 10, 47, 94, 157, 235, 314, 470, 785, 1570, 7379, 14758, 36895, 73790, 272683, 545366, 1363415, 2726830, 12816101, 25632202, 42811231, 64080505, 85622462, 128161010, 214056155, 428112310, 2012127857, 4024255714, 10060639285, 20121278570]

約数ペア:

[(1, 20121278570), (2, 10060639285), (5, 4024255714), (10, 2012127857), (47, 428112310), (94, 214056155), (157, 128161010), (235, 85622462), (314, 64080505), (470, 42811231), (785, 25632202), (1570, 12816101), (7379, 2726830), (14758, 1363415), (36895, 545366), (73790, 272683)]