20285904

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13633}}^1$

素因数の和:13675

約数の個数: 40

約数和(自身を含む): 54099712

約数和(自身を除く): 33813808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13633, 27266, 40899, 54532, 81798, 109064, 163596, 218128, 327192, 422623, 654384, 845246, 1267869, 1690492, 2535738, 3380984, 5071476, 6761968, 10142952, 20285904]

約数ペア:

[(1, 20285904), (2, 10142952), (3, 6761968), (4, 5071476), (6, 3380984), (8, 2535738), (12, 1690492), (16, 1267869), (24, 845246), (31, 654384), (48, 422623), (62, 327192), (93, 218128), (124, 163596), (186, 109064), (248, 81798), (372, 54532), (496, 40899), (744, 27266), (1488, 13633)]