20861424

素因数分解:

$2^4\times 3^2\times {\mathrm{277}}^1\times {\mathrm{523}}^1$

素因数の和:814

約数の個数: 60

約数和(自身を含む): 58705816

約数和(自身を除く): 37844392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 277, 523, 554, 831, 1046, 1108, 1569, 1662, 2092, 2216, 2493, 3138, 3324, 4184, 4432, 4707, 4986, 6276, 6648, 8368, 9414, 9972, 12552, 13296, 18828, 19944, 25104, 37656, 39888, 75312, 144871, 289742, 434613, 579484, 869226, 1158968, 1303839, 1738452, 2317936, 2607678, 3476904, 5215356, 6953808, 10430712, 20861424]

約数ペア:

[(1, 20861424), (2, 10430712), (3, 6953808), (4, 5215356), (6, 3476904), (8, 2607678), (9, 2317936), (12, 1738452), (16, 1303839), (18, 1158968), (24, 869226), (36, 579484), (48, 434613), (72, 289742), (144, 144871), (277, 75312), (523, 39888), (554, 37656), (831, 25104), (1046, 19944), (1108, 18828), (1569, 13296), (1662, 12552), (2092, 9972), (2216, 9414), (2493, 8368), (3138, 6648), (3324, 6276), (4184, 4986), (4432, 4707)]