20199442874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{40123}}^1$

素因数の和:40239

約数の個数: 48

約数和(自身を含む): 35180402208

約数和(自身を除く): 14980959334

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 289, 442, 578, 871, 1139, 1742, 2278, 3757, 7514, 14807, 19363, 29614, 38726, 40123, 80246, 251719, 503438, 521599, 682091, 1043198, 1364182, 2688241, 5376482, 8867183, 11595547, 17734366, 23191094, 34947133, 45700097, 69894266, 91400194, 150742111, 301484222, 594101261, 776901649, 1188202522, 1553803298, 10099721437, 20199442874]

約数ペア:

[(1, 20199442874), (2, 10099721437), (13, 1553803298), (17, 1188202522), (26, 776901649), (34, 594101261), (67, 301484222), (134, 150742111), (221, 91400194), (289, 69894266), (442, 45700097), (578, 34947133), (871, 23191094), (1139, 17734366), (1742, 11595547), (2278, 8867183), (3757, 5376482), (7514, 2688241), (14807, 1364182), (19363, 1043198), (29614, 682091), (38726, 521599), (40123, 503438), (80246, 251719)]