20698720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18481}}^1$

素因数の和:18503

約数の個数: 48

約数和(自身を含む): 55889568

約数和(自身を除く): 35190848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18481, 36962, 73924, 92405, 129367, 147848, 184810, 258734, 295696, 369620, 517468, 591392, 646835, 739240, 1034936, 1293670, 1478480, 2069872, 2587340, 2956960, 4139744, 5174680, 10349360, 20698720]

約数ペア:

[(1, 20698720), (2, 10349360), (4, 5174680), (5, 4139744), (7, 2956960), (8, 2587340), (10, 2069872), (14, 1478480), (16, 1293670), (20, 1034936), (28, 739240), (32, 646835), (35, 591392), (40, 517468), (56, 369620), (70, 295696), (80, 258734), (112, 184810), (140, 147848), (160, 129367), (224, 92405), (280, 73924), (560, 36962), (1120, 18481)]