20138431050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{247249}}^1$

素因数の和:247448

約数の個数: 72

約数和(自身を含む): 54404395500

約数和(自身を除く): 34265964450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 181, 225, 362, 450, 543, 905, 1086, 1629, 1810, 2715, 3258, 4525, 5430, 8145, 9050, 13575, 16290, 27150, 40725, 81450, 247249, 494498, 741747, 1236245, 1483494, 2225241, 2472490, 3708735, 4450482, 6181225, 7417470, 11126205, 12362450, 18543675, 22252410, 37087350, 44752069, 55631025, 89504138, 111262050, 134256207, 223760345, 268512414, 402768621, 447520690, 671281035, 805537242, 1118801725, 1342562070, 2013843105, 2237603450, 3356405175, 4027686210, 6712810350, 10069215525, 20138431050]

約数ペア:

[(1, 20138431050), (2, 10069215525), (3, 6712810350), (5, 4027686210), (6, 3356405175), (9, 2237603450), (10, 2013843105), (15, 1342562070), (18, 1118801725), (25, 805537242), (30, 671281035), (45, 447520690), (50, 402768621), (75, 268512414), (90, 223760345), (150, 134256207), (181, 111262050), (225, 89504138), (362, 55631025), (450, 44752069), (543, 37087350), (905, 22252410), (1086, 18543675), (1629, 12362450), (1810, 11126205), (2715, 7417470), (3258, 6181225), (4525, 4450482), (5430, 3708735), (8145, 2472490), (9050, 2225241), (13575, 1483494), (16290, 1236245), (27150, 741747), (40725, 494498), (81450, 247249)]