20112228

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 52835328

約数和(自身を除く): 32723100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 83, 106, 127, 159, 166, 212, 249, 254, 318, 332, 381, 477, 498, 508, 636, 747, 762, 954, 996, 1143, 1494, 1524, 1908, 2286, 2988, 4399, 4572, 6731, 8798, 10541, 13197, 13462, 17596, 20193, 21082, 26394, 26924, 31623, 39591, 40386, 42164, 52788, 60579, 63246, 79182, 80772, 94869, 121158, 126492, 158364, 189738, 242316, 379476, 558673, 1117346, 1676019, 2234692, 3352038, 5028057, 6704076, 10056114, 20112228]

約数ペア:

[(1, 20112228), (2, 10056114), (3, 6704076), (4, 5028057), (6, 3352038), (9, 2234692), (12, 1676019), (18, 1117346), (36, 558673), (53, 379476), (83, 242316), (106, 189738), (127, 158364), (159, 126492), (166, 121158), (212, 94869), (249, 80772), (254, 79182), (318, 63246), (332, 60579), (381, 52788), (477, 42164), (498, 40386), (508, 39591), (636, 31623), (747, 26924), (762, 26394), (954, 21082), (996, 20193), (1143, 17596), (1494, 13462), (1524, 13197), (1908, 10541), (2286, 8798), (2988, 6731), (4399, 4572)]