20154444843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 30945245184

約数和(自身を除く): 10790800341

約数列:

[1, 3, 13, 17, 39, 51, 221, 251, 281, 431, 663, 753, 843, 1293, 3263, 3653, 4267, 4777, 5603, 7327, 9789, 10959, 12801, 14331, 16809, 21981, 55471, 62101, 70531, 95251, 108181, 121111, 166413, 186303, 211593, 285753, 324543, 363333, 916903, 1199027, 1406353, 1574443, 1839077, 2058887, 2750709, 3597081, 4219059, 4723329, 5517231, 6176661, 15587351, 23908001, 26765531, 30398861, 46762053, 71724003, 80296593, 91196583, 395185193, 516780637, 1185555579, 1550341911, 6718148281, 20154444843]

約数ペア:

[(1, 20154444843), (3, 6718148281), (13, 1550341911), (17, 1185555579), (39, 516780637), (51, 395185193), (221, 91196583), (251, 80296593), (281, 71724003), (431, 46762053), (663, 30398861), (753, 26765531), (843, 23908001), (1293, 15587351), (3263, 6176661), (3653, 5517231), (4267, 4723329), (4777, 4219059), (5603, 3597081), (7327, 2750709), (9789, 2058887), (10959, 1839077), (12801, 1574443), (14331, 1406353), (16809, 1199027), (21981, 916903), (55471, 363333), (62101, 324543), (70531, 285753), (95251, 211593), (108181, 186303), (121111, 166413)]