20874291255

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{503}}^1$

素因数の和:909

約数の個数: 96

約数和(自身を含む): 37724424192

約数和(自身を除く): 16850132937

約数列:

[1, 3, 5, 9, 15, 41, 45, 83, 123, 205, 249, 271, 369, 415, 503, 615, 747, 813, 1245, 1355, 1509, 1845, 2439, 2515, 3403, 3735, 4065, 4527, 7545, 10209, 11111, 12195, 17015, 20623, 22493, 22635, 30627, 33333, 41749, 51045, 55555, 61869, 67479, 99999, 103115, 112465, 125247, 136313, 153135, 166665, 185607, 202437, 208745, 309345, 337395, 375741, 408939, 499995, 626235, 681565, 922213, 928035, 1012185, 1226817, 1711709, 1878705, 2044695, 2766639, 4611065, 5135127, 5588833, 6134085, 8299917, 8558545, 11313979, 13833195, 15405381, 16766499, 25675635, 27944165, 33941937, 41499585, 50299497, 56569895, 77026905, 83832495, 101825811, 169709685, 251497485, 463873139, 509129055, 1391619417, 2319365695, 4174858251, 6958097085, 20874291255]

約数ペア:

[(1, 20874291255), (3, 6958097085), (5, 4174858251), (9, 2319365695), (15, 1391619417), (41, 509129055), (45, 463873139), (83, 251497485), (123, 169709685), (205, 101825811), (249, 83832495), (271, 77026905), (369, 56569895), (415, 50299497), (503, 41499585), (615, 33941937), (747, 27944165), (813, 25675635), (1245, 16766499), (1355, 15405381), (1509, 13833195), (1845, 11313979), (2439, 8558545), (2515, 8299917), (3403, 6134085), (3735, 5588833), (4065, 5135127), (4527, 4611065), (7545, 2766639), (10209, 2044695), (11111, 1878705), (12195, 1711709), (17015, 1226817), (20623, 1012185), (22493, 928035), (22635, 922213), (30627, 681565), (33333, 626235), (41749, 499995), (51045, 408939), (55555, 375741), (61869, 337395), (67479, 309345), (99999, 208745), (103115, 202437), (112465, 185607), (125247, 166665), (136313, 153135)]