20360390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 39048480

約数和(自身を除く): 18688090

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 458, 523, 1046, 1145, 2290, 2615, 3893, 5230, 7786, 8891, 17782, 19465, 38930, 44455, 88910, 119767, 239534, 598835, 1197670, 2036039, 4072078, 10180195, 20360390]

約数ペア:

[(1, 20360390), (2, 10180195), (5, 4072078), (10, 2036039), (17, 1197670), (34, 598835), (85, 239534), (170, 119767), (229, 88910), (458, 44455), (523, 38930), (1046, 19465), (1145, 17782), (2290, 8891), (2615, 7786), (3893, 5230)]