20021260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1723}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 48658176

約数和(自身を除く): 28636916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 1723, 2324, 2905, 3446, 5810, 6892, 8615, 11620, 12061, 17230, 24122, 34460, 48244, 60305, 120610, 143009, 241220, 286018, 572036, 715045, 1001063, 1430090, 2002126, 2860180, 4004252, 5005315, 10010630, 20021260]

約数ペア:

[(1, 20021260), (2, 10010630), (4, 5005315), (5, 4004252), (7, 2860180), (10, 2002126), (14, 1430090), (20, 1001063), (28, 715045), (35, 572036), (70, 286018), (83, 241220), (140, 143009), (166, 120610), (332, 60305), (415, 48244), (581, 34460), (830, 24122), (1162, 17230), (1660, 12061), (1723, 11620), (2324, 8615), (2905, 6892), (3446, 5810)]