20148347859

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{21943}}^1$

素因数の和:22235

約数の個数: 32

約数和(自身を含む): 28755417600

約数和(自身を除く): 8607069741

約数列:

[1, 3, 19, 57, 89, 181, 267, 543, 1691, 3439, 5073, 10317, 16109, 21943, 48327, 65829, 306071, 416917, 918213, 1250751, 1952927, 3971683, 5858781, 11915049, 37105613, 75461977, 111316839, 226385931, 353479787, 1060439361, 6716115953, 20148347859]

約数ペア:

[(1, 20148347859), (3, 6716115953), (19, 1060439361), (57, 353479787), (89, 226385931), (181, 111316839), (267, 75461977), (543, 37105613), (1691, 11915049), (3439, 5858781), (5073, 3971683), (10317, 1952927), (16109, 1250751), (21943, 918213), (48327, 416917), (65829, 306071)]