20147673675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{385417}}^1$

素因数の和:385488

約数の個数: 48

約数和(自身を含む): 36130624992

約数和(自身を除く): 15982951317

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 615, 697, 1025, 1275, 2091, 3075, 3485, 10455, 17425, 52275, 385417, 1156251, 1927085, 5781255, 6552089, 9635425, 15802097, 19656267, 28906275, 32760445, 47406291, 79010485, 98281335, 163802225, 237031455, 268635649, 395052425, 491406675, 805906947, 1185157275, 1343178245, 4029534735, 6715891225, 20147673675]

約数ペア:

[(1, 20147673675), (3, 6715891225), (5, 4029534735), (15, 1343178245), (17, 1185157275), (25, 805906947), (41, 491406675), (51, 395052425), (75, 268635649), (85, 237031455), (123, 163802225), (205, 98281335), (255, 79010485), (425, 47406291), (615, 32760445), (697, 28906275), (1025, 19656267), (1275, 15802097), (2091, 9635425), (3075, 6552089), (3485, 5781255), (10455, 1927085), (17425, 1156251), (52275, 385417)]