20986944

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:568

約数の個数: 112

約数和(自身を含む): 63886080

約数和(自身を除く): 42899136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 64, 66, 76, 88, 96, 114, 132, 152, 176, 192, 209, 228, 264, 304, 352, 418, 456, 523, 528, 608, 627, 704, 836, 912, 1046, 1056, 1216, 1254, 1569, 1672, 1824, 2092, 2112, 2508, 3138, 3344, 3648, 4184, 5016, 5753, 6276, 6688, 8368, 9937, 10032, 11506, 12552, 13376, 16736, 17259, 19874, 20064, 23012, 25104, 29811, 33472, 34518, 39748, 40128, 46024, 50208, 59622, 69036, 79496, 92048, 100416, 109307, 119244, 138072, 158992, 184096, 218614, 238488, 276144, 317984, 327921, 368192, 437228, 476976, 552288, 635968, 655842, 874456, 953952, 1104576, 1311684, 1748912, 1907904, 2623368, 3497824, 5246736, 6995648, 10493472, 20986944]

約数ペア:

[(1, 20986944), (2, 10493472), (3, 6995648), (4, 5246736), (6, 3497824), (8, 2623368), (11, 1907904), (12, 1748912), (16, 1311684), (19, 1104576), (22, 953952), (24, 874456), (32, 655842), (33, 635968), (38, 552288), (44, 476976), (48, 437228), (57, 368192), (64, 327921), (66, 317984), (76, 276144), (88, 238488), (96, 218614), (114, 184096), (132, 158992), (152, 138072), (176, 119244), (192, 109307), (209, 100416), (228, 92048), (264, 79496), (304, 69036), (352, 59622), (418, 50208), (456, 46024), (523, 40128), (528, 39748), (608, 34518), (627, 33472), (704, 29811), (836, 25104), (912, 23012), (1046, 20064), (1056, 19874), (1216, 17259), (1254, 16736), (1569, 13376), (1672, 12552), (1824, 11506), (2092, 10032), (2112, 9937), (2508, 8368), (3138, 6688), (3344, 6276), (3648, 5753), (4184, 5016)]