20304872

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12503}}^1$

素因数の和:12545

約数の個数: 32

約数和(自身を含む): 45014400

約数和(自身を除く): 24709528

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12503, 25006, 50012, 87521, 100024, 175042, 350084, 362587, 700168, 725174, 1450348, 2538109, 2900696, 5076218, 10152436, 20304872]

約数ペア:

[(1, 20304872), (2, 10152436), (4, 5076218), (7, 2900696), (8, 2538109), (14, 1450348), (28, 725174), (29, 700168), (56, 362587), (58, 350084), (116, 175042), (203, 100024), (232, 87521), (406, 50012), (812, 25006), (1624, 12503)]