20933692

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 40120920

約数和(自身を除く): 19187228

約数列:

[1, 2, 4, 13, 26, 52, 169, 173, 179, 338, 346, 358, 676, 692, 716, 2249, 2327, 4498, 4654, 8996, 9308, 29237, 30251, 30967, 58474, 60502, 61934, 116948, 121004, 123868, 402571, 805142, 1610284, 5233423, 10466846, 20933692]

約数ペア:

[(1, 20933692), (2, 10466846), (4, 5233423), (13, 1610284), (26, 805142), (52, 402571), (169, 123868), (173, 121004), (179, 116948), (338, 61934), (346, 60502), (358, 58474), (676, 30967), (692, 30251), (716, 29237), (2249, 9308), (2327, 8996), (4498, 4654)]