20101383820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{413779}}^1$

素因数の和:414142

約数の個数: 48

約数和(自身を含む): 48382467840

約数和(自身を除く): 28281084020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 694, 1388, 1735, 2429, 3470, 4858, 6940, 9716, 12145, 24290, 48580, 413779, 827558, 1655116, 2068895, 2896453, 4137790, 5792906, 8275580, 11585812, 14482265, 28964530, 57929060, 143581313, 287162626, 574325252, 717906565, 1005069191, 1435813130, 2010138382, 2871626260, 4020276764, 5025345955, 10050691910, 20101383820]

約数ペア:

[(1, 20101383820), (2, 10050691910), (4, 5025345955), (5, 4020276764), (7, 2871626260), (10, 2010138382), (14, 1435813130), (20, 1005069191), (28, 717906565), (35, 574325252), (70, 287162626), (140, 143581313), (347, 57929060), (694, 28964530), (1388, 14482265), (1735, 11585812), (2429, 8275580), (3470, 5792906), (4858, 4137790), (6940, 2896453), (9716, 2068895), (12145, 1655116), (24290, 827558), (48580, 413779)]