20215958

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 38379744

約数和(自身を除く): 18163786

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 101, 119, 202, 203, 238, 406, 493, 707, 841, 986, 1414, 1682, 1717, 2929, 3434, 3451, 5858, 5887, 6902, 11774, 12019, 14297, 20503, 24038, 28594, 41006, 49793, 84941, 99586, 100079, 169882, 200158, 348551, 594587, 697102, 1189174, 1443997, 2887994, 10107979, 20215958]

約数ペア:

[(1, 20215958), (2, 10107979), (7, 2887994), (14, 1443997), (17, 1189174), (29, 697102), (34, 594587), (58, 348551), (101, 200158), (119, 169882), (202, 100079), (203, 99586), (238, 84941), (406, 49793), (493, 41006), (707, 28594), (841, 24038), (986, 20503), (1414, 14297), (1682, 12019), (1717, 11774), (2929, 6902), (3434, 5887), (3451, 5858)]