20028688323

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6400987}}^1$

素因数の和:6401146

約数の個数: 16

約数和(自身を含む): 30724742400

約数和(自身を除く): 10696054077

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6400987, 19202961, 44806909, 134420727, 953747063, 2861241189, 6676229441, 20028688323]

約数ペア:

[(1, 20028688323), (3, 6676229441), (7, 2861241189), (21, 953747063), (149, 134420727), (447, 44806909), (1043, 19202961), (3129, 6400987)]