20392380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{587}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 62283312

約数和(自身を除く): 41890932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 587, 772, 965, 1158, 1174, 1737, 1761, 1930, 2316, 2348, 2895, 2935, 3474, 3522, 3860, 5283, 5790, 5870, 6948, 7044, 8685, 8805, 10566, 11580, 11740, 17370, 17610, 21132, 26415, 34740, 35220, 52830, 105660, 113291, 226582, 339873, 453164, 566455, 679746, 1019619, 1132910, 1359492, 1699365, 2039238, 2265820, 3398730, 4078476, 5098095, 6797460, 10196190, 20392380]

約数ペア:

[(1, 20392380), (2, 10196190), (3, 6797460), (4, 5098095), (5, 4078476), (6, 3398730), (9, 2265820), (10, 2039238), (12, 1699365), (15, 1359492), (18, 1132910), (20, 1019619), (30, 679746), (36, 566455), (45, 453164), (60, 339873), (90, 226582), (180, 113291), (193, 105660), (386, 52830), (579, 35220), (587, 34740), (772, 26415), (965, 21132), (1158, 17610), (1174, 17370), (1737, 11740), (1761, 11580), (1930, 10566), (2316, 8805), (2348, 8685), (2895, 7044), (2935, 6948), (3474, 5870), (3522, 5790), (3860, 5283)]