20137140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:526

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 43366860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 89, 90, 108, 135, 178, 180, 267, 270, 356, 419, 445, 534, 540, 801, 838, 890, 1068, 1257, 1335, 1602, 1676, 1780, 2095, 2403, 2514, 2670, 3204, 3771, 4005, 4190, 4806, 5028, 5340, 6285, 7542, 8010, 8380, 9612, 11313, 12015, 12570, 15084, 16020, 18855, 22626, 24030, 25140, 37291, 37710, 45252, 48060, 56565, 74582, 75420, 111873, 113130, 149164, 186455, 223746, 226260, 335619, 372910, 447492, 559365, 671238, 745820, 1006857, 1118730, 1342476, 1678095, 2013714, 2237460, 3356190, 4027428, 5034285, 6712380, 10068570, 20137140]

約数ペア:

[(1, 20137140), (2, 10068570), (3, 6712380), (4, 5034285), (5, 4027428), (6, 3356190), (9, 2237460), (10, 2013714), (12, 1678095), (15, 1342476), (18, 1118730), (20, 1006857), (27, 745820), (30, 671238), (36, 559365), (45, 447492), (54, 372910), (60, 335619), (89, 226260), (90, 223746), (108, 186455), (135, 149164), (178, 113130), (180, 111873), (267, 75420), (270, 74582), (356, 56565), (419, 48060), (445, 45252), (534, 37710), (540, 37291), (801, 25140), (838, 24030), (890, 22626), (1068, 18855), (1257, 16020), (1335, 15084), (1602, 12570), (1676, 12015), (1780, 11313), (2095, 9612), (2403, 8380), (2514, 8010), (2670, 7542), (3204, 6285), (3771, 5340), (4005, 5028), (4190, 4806)]