20145003172

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1\times {\mathrm{10651}}^1$

素因数の和:12872

約数の個数: 48

約数和(自身を含む): 41612677120

約数和(自身を除く): 21467673948

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 2179, 4358, 8716, 10651, 15253, 21302, 30506, 42604, 61012, 67549, 74557, 135098, 149114, 270196, 298228, 330181, 472843, 660362, 945686, 1320724, 1891372, 2311267, 4622534, 9245068, 23208529, 46417058, 92834116, 162459703, 324919406, 649838812, 719464399, 1438928798, 2877857596, 5036250793, 10072501586, 20145003172]

約数ペア:

[(1, 20145003172), (2, 10072501586), (4, 5036250793), (7, 2877857596), (14, 1438928798), (28, 719464399), (31, 649838812), (62, 324919406), (124, 162459703), (217, 92834116), (434, 46417058), (868, 23208529), (2179, 9245068), (4358, 4622534), (8716, 2311267), (10651, 1891372), (15253, 1320724), (21302, 945686), (30506, 660362), (42604, 472843), (61012, 330181), (67549, 298228), (74557, 270196), (135098, 149114)]