20870163

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{5119}}^1$

素因数の和:5279

約数の個数: 16

約数和(自身を含む): 31129600

約数和(自身を除く): 10259437

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 5119, 15357, 46071, 138213, 772969, 2318907, 6956721, 20870163]

約数ペア:

[(1, 20870163), (3, 6956721), (9, 2318907), (27, 772969), (151, 138213), (453, 46071), (1359, 15357), (4077, 5119)]