20199443740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{7583}}^1$

素因数の和:8011

約数の個数: 96

約数和(自身を含む): 49537474560

約数和(自身を除く): 29338030820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 359, 371, 530, 718, 742, 1060, 1436, 1484, 1795, 1855, 2513, 3590, 3710, 5026, 7180, 7420, 7583, 10052, 12565, 15166, 19027, 25130, 30332, 37915, 38054, 50260, 53081, 75830, 76108, 95135, 106162, 133189, 151660, 190270, 212324, 265405, 266378, 380540, 401899, 530810, 532756, 665945, 803798, 1061620, 1331890, 1607596, 2009495, 2663780, 2722297, 2813293, 4018990, 5444594, 5626586, 8037980, 10889188, 11253172, 13611485, 14066465, 19056079, 27222970, 28132930, 38112158, 54445940, 56265860, 76224316, 95280395, 144281741, 190560790, 288563482, 381121580, 577126964, 721408705, 1009972187, 1442817410, 2019944374, 2885634820, 4039888748, 5049860935, 10099721870, 20199443740]

約数ペア:

[(1, 20199443740), (2, 10099721870), (4, 5049860935), (5, 4039888748), (7, 2885634820), (10, 2019944374), (14, 1442817410), (20, 1009972187), (28, 721408705), (35, 577126964), (53, 381121580), (70, 288563482), (106, 190560790), (140, 144281741), (212, 95280395), (265, 76224316), (359, 56265860), (371, 54445940), (530, 38112158), (718, 28132930), (742, 27222970), (1060, 19056079), (1436, 14066465), (1484, 13611485), (1795, 11253172), (1855, 10889188), (2513, 8037980), (3590, 5626586), (3710, 5444594), (5026, 4018990), (7180, 2813293), (7420, 2722297), (7583, 2663780), (10052, 2009495), (12565, 1607596), (15166, 1331890), (19027, 1061620), (25130, 803798), (30332, 665945), (37915, 532756), (38054, 530810), (50260, 401899), (53081, 380540), (75830, 266378), (76108, 265405), (95135, 212324), (106162, 190270), (133189, 151660)]