20039950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1897

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 23957234

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1847, 2170, 3694, 5425, 9235, 10850, 12929, 18470, 25858, 46175, 57257, 64645, 92350, 114514, 129290, 286285, 323225, 400799, 572570, 646450, 801598, 1431425, 2003995, 2862850, 4007990, 10019975, 20039950]

約数ペア:

[(1, 20039950), (2, 10019975), (5, 4007990), (7, 2862850), (10, 2003995), (14, 1431425), (25, 801598), (31, 646450), (35, 572570), (50, 400799), (62, 323225), (70, 286285), (155, 129290), (175, 114514), (217, 92350), (310, 64645), (350, 57257), (434, 46175), (775, 25858), (1085, 18470), (1550, 12929), (1847, 10850), (2170, 9235), (3694, 5425)]