20020432880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{58321}}^1$

素因数の和:58954

約数の個数: 80

約数和(自身を含む): 53284845504

約数和(自身を除く): 33264412624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 613, 1226, 2452, 3065, 4291, 4904, 6130, 8582, 9808, 12260, 17164, 21455, 24520, 34328, 42910, 49040, 58321, 68656, 85820, 116642, 171640, 233284, 291605, 343280, 408247, 466568, 583210, 816494, 933136, 1166420, 1632988, 2041235, 2332840, 3265976, 4082470, 4665680, 6531952, 8164940, 16329880, 32659760, 35750773, 71501546, 143003092, 178753865, 250255411, 286006184, 357507730, 500510822, 572012368, 715015460, 1001021644, 1251277055, 1430030920, 2002043288, 2502554110, 2860061840, 4004086576, 5005108220, 10010216440, 20020432880]

約数ペア:

[(1, 20020432880), (2, 10010216440), (4, 5005108220), (5, 4004086576), (7, 2860061840), (8, 2502554110), (10, 2002043288), (14, 1430030920), (16, 1251277055), (20, 1001021644), (28, 715015460), (35, 572012368), (40, 500510822), (56, 357507730), (70, 286006184), (80, 250255411), (112, 178753865), (140, 143003092), (280, 71501546), (560, 35750773), (613, 32659760), (1226, 16329880), (2452, 8164940), (3065, 6531952), (4291, 4665680), (4904, 4082470), (6130, 3265976), (8582, 2332840), (9808, 2041235), (12260, 1632988), (17164, 1166420), (21455, 933136), (24520, 816494), (34328, 583210), (42910, 466568), (49040, 408247), (58321, 343280), (68656, 291605), (85820, 233284), (116642, 171640)]