20165904152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{620413}}^1$

素因数の和:620675

約数の個数: 32

約数和(自身を含む): 40202827200

約数和(自身を除く): 20036923048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 478, 956, 1912, 4063, 8126, 16252, 32504, 620413, 1240826, 2481652, 4963304, 10547021, 21094042, 42188084, 84376168, 148278707, 296557414, 593114828, 1186229656, 2520738019, 5041476038, 10082952076, 20165904152]

約数ペア:

[(1, 20165904152), (2, 10082952076), (4, 5041476038), (8, 2520738019), (17, 1186229656), (34, 593114828), (68, 296557414), (136, 148278707), (239, 84376168), (478, 42188084), (956, 21094042), (1912, 10547021), (4063, 4963304), (8126, 2481652), (16252, 1240826), (32504, 620413)]