20502396

素因数分解:

$2^2\times 3^6\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 84

約数和(自身を含む): 55087200

約数和(自身を除く): 34584804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 89, 108, 158, 162, 178, 237, 243, 267, 316, 324, 356, 474, 486, 534, 711, 729, 801, 948, 972, 1068, 1422, 1458, 1602, 2133, 2403, 2844, 2916, 3204, 4266, 4806, 6399, 7031, 7209, 8532, 9612, 12798, 14062, 14418, 19197, 21093, 21627, 25596, 28124, 28836, 38394, 42186, 43254, 57591, 63279, 64881, 76788, 84372, 86508, 115182, 126558, 129762, 189837, 230364, 253116, 259524, 379674, 569511, 759348, 1139022, 1708533, 2278044, 3417066, 5125599, 6834132, 10251198, 20502396]

約数ペア:

[(1, 20502396), (2, 10251198), (3, 6834132), (4, 5125599), (6, 3417066), (9, 2278044), (12, 1708533), (18, 1139022), (27, 759348), (36, 569511), (54, 379674), (79, 259524), (81, 253116), (89, 230364), (108, 189837), (158, 129762), (162, 126558), (178, 115182), (237, 86508), (243, 84372), (267, 76788), (316, 64881), (324, 63279), (356, 57591), (474, 43254), (486, 42186), (534, 38394), (711, 28836), (729, 28124), (801, 25596), (948, 21627), (972, 21093), (1068, 19197), (1422, 14418), (1458, 14062), (1602, 12798), (2133, 9612), (2403, 8532), (2844, 7209), (2916, 7031), (3204, 6399), (4266, 4806)]