20995656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1187}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 58164480

約数和(自身を除く): 37168824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1187, 1474, 1608, 2211, 2374, 2948, 3561, 4422, 4748, 5896, 7122, 8844, 9496, 13057, 14244, 17688, 26114, 28488, 39171, 52228, 78342, 79529, 104456, 156684, 159058, 238587, 313368, 318116, 477174, 636232, 874819, 954348, 1749638, 1908696, 2624457, 3499276, 5248914, 6998552, 10497828, 20995656]

約数ペア:

[(1, 20995656), (2, 10497828), (3, 6998552), (4, 5248914), (6, 3499276), (8, 2624457), (11, 1908696), (12, 1749638), (22, 954348), (24, 874819), (33, 636232), (44, 477174), (66, 318116), (67, 313368), (88, 238587), (132, 159058), (134, 156684), (201, 104456), (264, 79529), (268, 78342), (402, 52228), (536, 39171), (737, 28488), (804, 26114), (1187, 17688), (1474, 14244), (1608, 13057), (2211, 9496), (2374, 8844), (2948, 7122), (3561, 5896), (4422, 4748)]