20185266

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 41443776

約数和(自身を除く): 21258510

約数列:

[1, 2, 3, 6, 61, 122, 131, 183, 262, 366, 393, 421, 786, 842, 1263, 2526, 7991, 15982, 23973, 25681, 47946, 51362, 55151, 77043, 110302, 154086, 165453, 330906, 3364211, 6728422, 10092633, 20185266]

約数ペア:

[(1, 20185266), (2, 10092633), (3, 6728422), (6, 3364211), (61, 330906), (122, 165453), (131, 154086), (183, 110302), (262, 77043), (366, 55151), (393, 51362), (421, 47946), (786, 25681), (842, 23973), (1263, 15982), (2526, 7991)]