20101005

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 36279360

約数和(自身を除く): 16178355

約数列:

[1, 3, 5, 9, 15, 45, 59, 67, 113, 177, 201, 295, 335, 339, 531, 565, 603, 885, 1005, 1017, 1695, 2655, 3015, 3953, 5085, 6667, 7571, 11859, 19765, 20001, 22713, 33335, 35577, 37855, 59295, 60003, 68139, 100005, 113565, 177885, 300015, 340695, 446689, 1340067, 2233445, 4020201, 6700335, 20101005]

約数ペア:

[(1, 20101005), (3, 6700335), (5, 4020201), (9, 2233445), (15, 1340067), (45, 446689), (59, 340695), (67, 300015), (113, 177885), (177, 113565), (201, 100005), (295, 68139), (335, 60003), (339, 59295), (531, 37855), (565, 35577), (603, 33335), (885, 22713), (1005, 20001), (1017, 19765), (1695, 11859), (2655, 7571), (3015, 6667), (3953, 5085)]