20775450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3279

約数の個数: 48

約数和(自身を含む): 52737696

約数和(自身を除く): 31962246

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3221, 3225, 6442, 6450, 9663, 16105, 19326, 32210, 48315, 80525, 96630, 138503, 161050, 241575, 277006, 415509, 483150, 692515, 831018, 1385030, 2077545, 3462575, 4155090, 6925150, 10387725, 20775450]

約数ペア:

[(1, 20775450), (2, 10387725), (3, 6925150), (5, 4155090), (6, 3462575), (10, 2077545), (15, 1385030), (25, 831018), (30, 692515), (43, 483150), (50, 415509), (75, 277006), (86, 241575), (129, 161050), (150, 138503), (215, 96630), (258, 80525), (430, 48315), (645, 32210), (1075, 19326), (1290, 16105), (2150, 9663), (3221, 6450), (3225, 6442)]