20656632

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 55170720

約数和(自身を除く): 34514088

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 197, 204, 257, 394, 408, 514, 591, 771, 788, 1028, 1182, 1542, 1576, 2056, 2364, 3084, 3349, 4369, 4728, 6168, 6698, 8738, 10047, 13107, 13396, 17476, 20094, 26214, 26792, 34952, 40188, 50629, 52428, 80376, 101258, 104856, 151887, 202516, 303774, 405032, 607548, 860693, 1215096, 1721386, 2582079, 3442772, 5164158, 6885544, 10328316, 20656632]

約数ペア:

[(1, 20656632), (2, 10328316), (3, 6885544), (4, 5164158), (6, 3442772), (8, 2582079), (12, 1721386), (17, 1215096), (24, 860693), (34, 607548), (51, 405032), (68, 303774), (102, 202516), (136, 151887), (197, 104856), (204, 101258), (257, 80376), (394, 52428), (408, 50629), (514, 40188), (591, 34952), (771, 26792), (788, 26214), (1028, 20094), (1182, 17476), (1542, 13396), (1576, 13107), (2056, 10047), (2364, 8738), (3084, 6698), (3349, 6168), (4369, 4728)]