20796840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1467

約数の個数: 96

約数和(自身を含む): 69287400

約数和(自身を除く): 48490560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1409, 1476, 1640, 1845, 2460, 2818, 2952, 3690, 4227, 4920, 5636, 7045, 7380, 8454, 11272, 12681, 14090, 14760, 16908, 21135, 25362, 28180, 33816, 42270, 50724, 56360, 57769, 63405, 84540, 101448, 115538, 126810, 169080, 173307, 231076, 253620, 288845, 346614, 462152, 507240, 519921, 577690, 693228, 866535, 1039842, 1155380, 1386456, 1733070, 2079684, 2310760, 2599605, 3466140, 4159368, 5199210, 6932280, 10398420, 20796840]

約数ペア:

[(1, 20796840), (2, 10398420), (3, 6932280), (4, 5199210), (5, 4159368), (6, 3466140), (8, 2599605), (9, 2310760), (10, 2079684), (12, 1733070), (15, 1386456), (18, 1155380), (20, 1039842), (24, 866535), (30, 693228), (36, 577690), (40, 519921), (41, 507240), (45, 462152), (60, 346614), (72, 288845), (82, 253620), (90, 231076), (120, 173307), (123, 169080), (164, 126810), (180, 115538), (205, 101448), (246, 84540), (328, 63405), (360, 57769), (369, 56360), (410, 50724), (492, 42270), (615, 33816), (738, 28180), (820, 25362), (984, 21135), (1230, 16908), (1409, 14760), (1476, 14090), (1640, 12681), (1845, 11272), (2460, 8454), (2818, 7380), (2952, 7045), (3690, 5636), (4227, 4920)]