20988300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1687

約数の個数: 72

約数和(自身を含む): 62176576

約数和(自身を除く): 41188276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1627, 2150, 2580, 3225, 3254, 4300, 4881, 6450, 6508, 8135, 9762, 12900, 16270, 19524, 24405, 32540, 40675, 48810, 69961, 81350, 97620, 122025, 139922, 162700, 209883, 244050, 279844, 349805, 419766, 488100, 699610, 839532, 1049415, 1399220, 1749025, 2098830, 3498050, 4197660, 5247075, 6996100, 10494150, 20988300]

約数ペア:

[(1, 20988300), (2, 10494150), (3, 6996100), (4, 5247075), (5, 4197660), (6, 3498050), (10, 2098830), (12, 1749025), (15, 1399220), (20, 1049415), (25, 839532), (30, 699610), (43, 488100), (50, 419766), (60, 349805), (75, 279844), (86, 244050), (100, 209883), (129, 162700), (150, 139922), (172, 122025), (215, 97620), (258, 81350), (300, 69961), (430, 48810), (516, 40675), (645, 32540), (860, 24405), (1075, 19524), (1290, 16270), (1627, 12900), (2150, 9762), (2580, 8135), (3225, 6508), (3254, 6450), (4300, 4881)]