22397620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 54149760

約数和(自身を除く): 31752140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1019, 1099, 1570, 2038, 2198, 3140, 4076, 4396, 5095, 5495, 7133, 10190, 10990, 14266, 20380, 21980, 28532, 35665, 71330, 142660, 159983, 319966, 639932, 799915, 1119881, 1599830, 2239762, 3199660, 4479524, 5599405, 11198810, 22397620]

約数ペア:

[(1, 22397620), (2, 11198810), (4, 5599405), (5, 4479524), (7, 3199660), (10, 2239762), (14, 1599830), (20, 1119881), (28, 799915), (35, 639932), (70, 319966), (140, 159983), (157, 142660), (314, 71330), (628, 35665), (785, 28532), (1019, 21980), (1099, 20380), (1570, 14266), (2038, 10990), (2198, 10190), (3140, 7133), (4076, 5495), (4396, 5095)]