20312552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11489}}^1$

素因数の和:11525

約数の個数: 32

約数和(自身を含む): 43432200

約数和(自身を除く): 23119648

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11489, 22978, 45956, 91912, 149357, 195313, 298714, 390626, 597428, 781252, 1194856, 1562504, 2539069, 5078138, 10156276, 20312552]

約数ペア:

[(1, 20312552), (2, 10156276), (4, 5078138), (8, 2539069), (13, 1562504), (17, 1194856), (26, 781252), (34, 597428), (52, 390626), (68, 298714), (104, 195313), (136, 149357), (221, 91912), (442, 45956), (884, 22978), (1768, 11489)]