20404908

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15319}}^1$

素因数の和:15366

約数の個数: 36

約数和(自身を含む): 52976560

約数和(自身を除く): 32571652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15319, 30638, 45957, 61276, 91914, 137871, 183828, 275742, 551484, 566803, 1133606, 1700409, 2267212, 3400818, 5101227, 6801636, 10202454, 20404908]

約数ペア:

[(1, 20404908), (2, 10202454), (3, 6801636), (4, 5101227), (6, 3400818), (9, 2267212), (12, 1700409), (18, 1133606), (36, 566803), (37, 551484), (74, 275742), (111, 183828), (148, 137871), (222, 91914), (333, 61276), (444, 45957), (666, 30638), (1332, 15319)]