20107923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 31456512

約数和(自身を除く): 11348589

約数列:

[1, 3, 11, 17, 33, 51, 73, 187, 219, 491, 561, 803, 1241, 1473, 2409, 3723, 5401, 8347, 13651, 16203, 25041, 35843, 40953, 91817, 107529, 275451, 394273, 609331, 1182819, 1827993, 6702641, 20107923]

約数ペア:

[(1, 20107923), (3, 6702641), (11, 1827993), (17, 1182819), (33, 609331), (51, 394273), (73, 275451), (187, 107529), (219, 91817), (491, 40953), (561, 35843), (803, 25041), (1241, 16203), (1473, 13651), (2409, 8347), (3723, 5401)]