20872104

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 57378240

約数和(自身を除く): 36506136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 173, 264, 346, 457, 519, 692, 914, 1038, 1371, 1384, 1828, 1903, 2076, 2742, 3656, 3806, 4152, 5027, 5484, 5709, 7612, 10054, 10968, 11418, 15081, 15224, 20108, 22836, 30162, 40216, 45672, 60324, 79061, 120648, 158122, 237183, 316244, 474366, 632488, 869671, 948732, 1739342, 1897464, 2609013, 3478684, 5218026, 6957368, 10436052, 20872104]

約数ペア:

[(1, 20872104), (2, 10436052), (3, 6957368), (4, 5218026), (6, 3478684), (8, 2609013), (11, 1897464), (12, 1739342), (22, 948732), (24, 869671), (33, 632488), (44, 474366), (66, 316244), (88, 237183), (132, 158122), (173, 120648), (264, 79061), (346, 60324), (457, 45672), (519, 40216), (692, 30162), (914, 22836), (1038, 20108), (1371, 15224), (1384, 15081), (1828, 11418), (1903, 10968), (2076, 10054), (2742, 7612), (3656, 5709), (3806, 5484), (4152, 5027)]