20837880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8269}}^1$

素因数の和:8293

約数の個数: 96

約数和(自身を含む): 77407200

約数和(自身を除く): 56569320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8269, 16538, 24807, 33076, 41345, 49614, 57883, 66152, 74421, 82690, 99228, 115766, 124035, 148842, 165380, 173649, 198456, 231532, 248070, 289415, 297684, 330760, 347298, 372105, 463064, 496140, 520947, 578830, 595368, 694596, 744210, 868245, 992280, 1041894, 1157660, 1389192, 1488420, 1736490, 2083788, 2315320, 2604735, 2976840, 3472980, 4167576, 5209470, 6945960, 10418940, 20837880]

約数ペア:

[(1, 20837880), (2, 10418940), (3, 6945960), (4, 5209470), (5, 4167576), (6, 3472980), (7, 2976840), (8, 2604735), (9, 2315320), (10, 2083788), (12, 1736490), (14, 1488420), (15, 1389192), (18, 1157660), (20, 1041894), (21, 992280), (24, 868245), (28, 744210), (30, 694596), (35, 595368), (36, 578830), (40, 520947), (42, 496140), (45, 463064), (56, 372105), (60, 347298), (63, 330760), (70, 297684), (72, 289415), (84, 248070), (90, 231532), (105, 198456), (120, 173649), (126, 165380), (140, 148842), (168, 124035), (180, 115766), (210, 99228), (252, 82690), (280, 74421), (315, 66152), (360, 57883), (420, 49614), (504, 41345), (630, 33076), (840, 24807), (1260, 16538), (2520, 8269)]