20009454975

素因数分解:

$3^3\times 5^2\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1222

約数の個数: 96

約数和(自身を含む): 37192064000

約数和(自身を除く): 17182609025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 181, 199, 225, 543, 597, 675, 823, 905, 995, 1629, 1791, 2469, 2715, 2985, 4115, 4525, 4887, 4975, 5373, 7407, 8145, 8955, 12345, 13575, 14925, 20575, 22221, 24435, 26865, 36019, 37035, 40725, 44775, 61725, 108057, 111105, 122175, 134325, 148963, 163777, 180095, 185175, 324171, 446889, 491331, 540285, 555525, 744815, 818885, 900475, 972513, 1340667, 1473993, 1620855, 2234445, 2456655, 2701425, 3724075, 4022001, 4094425, 4421979, 4862565, 6703335, 7369965, 8104275, 11172225, 12283275, 20110005, 22109895, 24312825, 29643637, 33516675, 36849825, 88930911, 100550025, 110549475, 148218185, 266792733, 444654555, 741090925, 800378199, 1333963665, 2223272775, 4001890995, 6669818325, 20009454975]

約数ペア:

[(1, 20009454975), (3, 6669818325), (5, 4001890995), (9, 2223272775), (15, 1333963665), (25, 800378199), (27, 741090925), (45, 444654555), (75, 266792733), (135, 148218185), (181, 110549475), (199, 100550025), (225, 88930911), (543, 36849825), (597, 33516675), (675, 29643637), (823, 24312825), (905, 22109895), (995, 20110005), (1629, 12283275), (1791, 11172225), (2469, 8104275), (2715, 7369965), (2985, 6703335), (4115, 4862565), (4525, 4421979), (4887, 4094425), (4975, 4022001), (5373, 3724075), (7407, 2701425), (8145, 2456655), (8955, 2234445), (12345, 1620855), (13575, 1473993), (14925, 1340667), (20575, 972513), (22221, 900475), (24435, 818885), (26865, 744815), (36019, 555525), (37035, 540285), (40725, 491331), (44775, 446889), (61725, 324171), (108057, 185175), (111105, 180095), (122175, 163777), (134325, 148963)]