20461428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43721}}^1$

素因数の和:43744

約数の個数: 36

約数和(自身を含む): 55701828

約数和(自身を除く): 35240400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43721, 87442, 131163, 174884, 262326, 393489, 524652, 568373, 786978, 1136746, 1573956, 1705119, 2273492, 3410238, 5115357, 6820476, 10230714, 20461428]

約数ペア:

[(1, 20461428), (2, 10230714), (3, 6820476), (4, 5115357), (6, 3410238), (9, 2273492), (12, 1705119), (13, 1573956), (18, 1136746), (26, 786978), (36, 568373), (39, 524652), (52, 393489), (78, 262326), (117, 174884), (156, 131163), (234, 87442), (468, 43721)]