20139804020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{530833}}^1$

素因数の和:531120

約数の個数: 48

約数和(自身を含む): 48513980928

約数和(自身を除く): 28374176908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2710, 3794, 5420, 7588, 9485, 18970, 37940, 530833, 1061666, 2123332, 2654165, 3715831, 5308330, 7431662, 10616660, 14863324, 18579155, 37158310, 74316620, 143855743, 287711486, 575422972, 719278715, 1006990201, 1438557430, 2013980402, 2877114860, 4027960804, 5034951005, 10069902010, 20139804020]

約数ペア:

[(1, 20139804020), (2, 10069902010), (4, 5034951005), (5, 4027960804), (7, 2877114860), (10, 2013980402), (14, 1438557430), (20, 1006990201), (28, 719278715), (35, 575422972), (70, 287711486), (140, 143855743), (271, 74316620), (542, 37158310), (1084, 18579155), (1355, 14863324), (1897, 10616660), (2710, 7431662), (3794, 5308330), (5420, 3715831), (7588, 2654165), (9485, 2123332), (18970, 1061666), (37940, 530833)]