19852920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55147}}^1$

素因数の和:55164

約数の個数: 48

約数和(自身を含む): 64523160

約数和(自身を除く): 44670240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55147, 110294, 165441, 220588, 275735, 330882, 441176, 496323, 551470, 661764, 827205, 992646, 1102940, 1323528, 1654410, 1985292, 2205880, 2481615, 3308820, 3970584, 4963230, 6617640, 9926460, 19852920]

約数ペア:

[(1, 19852920), (2, 9926460), (3, 6617640), (4, 4963230), (5, 3970584), (6, 3308820), (8, 2481615), (9, 2205880), (10, 1985292), (12, 1654410), (15, 1323528), (18, 1102940), (20, 992646), (24, 827205), (30, 661764), (36, 551470), (40, 496323), (45, 441176), (60, 330882), (72, 275735), (90, 220588), (120, 165441), (180, 110294), (360, 55147)]