20155245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 37822464

約数和(自身を除く): 17667219

約数列:

[1, 3, 5, 11, 15, 23, 33, 47, 55, 69, 113, 115, 141, 165, 235, 253, 339, 345, 517, 565, 705, 759, 1081, 1243, 1265, 1551, 1695, 2585, 2599, 3243, 3729, 3795, 5311, 5405, 6215, 7755, 7797, 11891, 12995, 15933, 16215, 18645, 26555, 28589, 35673, 38985, 58421, 59455, 79665, 85767, 122153, 142945, 175263, 178365, 292105, 366459, 428835, 610765, 876315, 1343683, 1832295, 4031049, 6718415, 20155245]

約数ペア:

[(1, 20155245), (3, 6718415), (5, 4031049), (11, 1832295), (15, 1343683), (23, 876315), (33, 610765), (47, 428835), (55, 366459), (69, 292105), (113, 178365), (115, 175263), (141, 142945), (165, 122153), (235, 85767), (253, 79665), (339, 59455), (345, 58421), (517, 38985), (565, 35673), (705, 28589), (759, 26555), (1081, 18645), (1243, 16215), (1265, 15933), (1551, 12995), (1695, 11891), (2585, 7797), (2599, 7755), (3243, 6215), (3729, 5405), (3795, 5311)]