20173842020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{62039}}^1$

素因数の和:62348

約数の個数: 48

約数和(自身を含む): 43150060800

約数和(自身を除く): 22976218780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 229, 284, 355, 458, 710, 916, 1145, 1420, 2290, 4580, 16259, 32518, 62039, 65036, 81295, 124078, 162590, 248156, 310195, 325180, 620390, 1240780, 4404769, 8809538, 14206931, 17619076, 22023845, 28413862, 44047690, 56827724, 71034655, 88095380, 142069310, 284138620, 1008692101, 2017384202, 4034768404, 5043460505, 10086921010, 20173842020]

約数ペア:

[(1, 20173842020), (2, 10086921010), (4, 5043460505), (5, 4034768404), (10, 2017384202), (20, 1008692101), (71, 284138620), (142, 142069310), (229, 88095380), (284, 71034655), (355, 56827724), (458, 44047690), (710, 28413862), (916, 22023845), (1145, 17619076), (1420, 14206931), (2290, 8809538), (4580, 4404769), (16259, 1240780), (32518, 620390), (62039, 325180), (65036, 310195), (81295, 248156), (124078, 162590)]