20123961072

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{157081}}^1$

素因数の和:157266

約数の個数: 80

約数和(自身を含む): 55395909792

約数和(自身を除く): 35271948720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 157, 204, 272, 314, 408, 471, 628, 816, 942, 1256, 1884, 2512, 2669, 3768, 5338, 7536, 8007, 10676, 16014, 21352, 32028, 42704, 64056, 128112, 157081, 314162, 471243, 628324, 942486, 1256648, 1884972, 2513296, 2670377, 3769944, 5340754, 7539888, 8011131, 10681508, 16022262, 21363016, 24661717, 32044524, 42726032, 49323434, 64089048, 73985151, 98646868, 128178096, 147970302, 197293736, 295940604, 394587472, 419249189, 591881208, 838498378, 1183762416, 1257747567, 1676996756, 2515495134, 3353993512, 5030990268, 6707987024, 10061980536, 20123961072]

約数ペア:

[(1, 20123961072), (2, 10061980536), (3, 6707987024), (4, 5030990268), (6, 3353993512), (8, 2515495134), (12, 1676996756), (16, 1257747567), (17, 1183762416), (24, 838498378), (34, 591881208), (48, 419249189), (51, 394587472), (68, 295940604), (102, 197293736), (136, 147970302), (157, 128178096), (204, 98646868), (272, 73985151), (314, 64089048), (408, 49323434), (471, 42726032), (628, 32044524), (816, 24661717), (942, 21363016), (1256, 16022262), (1884, 10681508), (2512, 8011131), (2669, 7539888), (3768, 5340754), (5338, 3769944), (7536, 2670377), (8007, 2513296), (10676, 1884972), (16014, 1256648), (21352, 942486), (32028, 628324), (42704, 471243), (64056, 314162), (128112, 157081)]