20871237296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14334641}}^1$

素因数の和:14334669

約数の個数: 40

約数和(自身を含む): 49769877024

約数和(自身を除く): 28898639728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14334641, 28669282, 57338564, 100342487, 114677128, 186350333, 200684974, 229354256, 372700666, 401369948, 745401332, 802739896, 1304452331, 1490802664, 1605479792, 2608904662, 2981605328, 5217809324, 10435618648, 20871237296]

約数ペア:

[(1, 20871237296), (2, 10435618648), (4, 5217809324), (7, 2981605328), (8, 2608904662), (13, 1605479792), (14, 1490802664), (16, 1304452331), (26, 802739896), (28, 745401332), (52, 401369948), (56, 372700666), (91, 229354256), (104, 200684974), (112, 186350333), (182, 114677128), (208, 100342487), (364, 57338564), (728, 28669282), (1456, 14334641)]