20701450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 50711040

約数和(自身を除く): 30009590

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 50, 55, 70, 77, 95, 110, 133, 154, 175, 190, 209, 266, 275, 283, 350, 385, 418, 475, 550, 566, 665, 770, 950, 1045, 1330, 1415, 1463, 1925, 1981, 2090, 2830, 2926, 3113, 3325, 3850, 3962, 5225, 5377, 6226, 6650, 7075, 7315, 9905, 10450, 10754, 14150, 14630, 15565, 19810, 21791, 26885, 31130, 36575, 37639, 43582, 49525, 53770, 59147, 73150, 75278, 77825, 99050, 108955, 118294, 134425, 155650, 188195, 217910, 268850, 295735, 376390, 414029, 544775, 591470, 828058, 940975, 1089550, 1478675, 1881950, 2070145, 2957350, 4140290, 10350725, 20701450]

約数ペア:

[(1, 20701450), (2, 10350725), (5, 4140290), (7, 2957350), (10, 2070145), (11, 1881950), (14, 1478675), (19, 1089550), (22, 940975), (25, 828058), (35, 591470), (38, 544775), (50, 414029), (55, 376390), (70, 295735), (77, 268850), (95, 217910), (110, 188195), (133, 155650), (154, 134425), (175, 118294), (190, 108955), (209, 99050), (266, 77825), (275, 75278), (283, 73150), (350, 59147), (385, 53770), (418, 49525), (475, 43582), (550, 37639), (566, 36575), (665, 31130), (770, 26885), (950, 21791), (1045, 19810), (1330, 15565), (1415, 14630), (1463, 14150), (1925, 10754), (1981, 10450), (2090, 9905), (2830, 7315), (2926, 7075), (3113, 6650), (3325, 6226), (3850, 5377), (3962, 5225)]