20187409716

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1471}}^1\times {\mathrm{10303}}^1$

素因数の和:11821

約数の個数: 72

約数和(自身を含む): 52449173504

約数和(自身を除く): 32261763788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 1471, 2942, 4413, 5884, 8826, 10303, 13239, 17652, 20606, 26478, 30909, 41212, 52956, 54427, 61818, 92727, 108854, 123636, 163281, 185454, 217708, 326562, 370908, 381211, 489843, 653124, 762422, 979686, 1143633, 1524844, 1959372, 2287266, 3430899, 4574532, 6861798, 13723596, 15155713, 30311426, 45467139, 60622852, 90934278, 136401417, 181868556, 272802834, 545605668, 560761381, 1121522762, 1682284143, 2243045524, 3364568286, 5046852429, 6729136572, 10093704858, 20187409716]

約数ペア:

[(1, 20187409716), (2, 10093704858), (3, 6729136572), (4, 5046852429), (6, 3364568286), (9, 2243045524), (12, 1682284143), (18, 1121522762), (36, 560761381), (37, 545605668), (74, 272802834), (111, 181868556), (148, 136401417), (222, 90934278), (333, 60622852), (444, 45467139), (666, 30311426), (1332, 15155713), (1471, 13723596), (2942, 6861798), (4413, 4574532), (5884, 3430899), (8826, 2287266), (10303, 1959372), (13239, 1524844), (17652, 1143633), (20606, 979686), (26478, 762422), (30909, 653124), (41212, 489843), (52956, 381211), (54427, 370908), (61818, 326562), (92727, 217708), (108854, 185454), (123636, 163281)]