2020306580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{53419}}^1$

素因数の和:53520

約数の個数: 48

約数和(自身を含む): 4451381760

約数和(自身を除く): 2431075180

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 37820, 53419, 106838, 213676, 267095, 534190, 1068380, 1655989, 3258559, 3311978, 6517118, 6623956, 8279945, 13034236, 16292795, 16559890, 32585590, 33119780, 65171180, 101015329, 202030658, 404061316, 505076645, 1010153290, 2020306580]

約数ペア:

[(1, 2020306580), (2, 1010153290), (4, 505076645), (5, 404061316), (10, 202030658), (20, 101015329), (31, 65171180), (61, 33119780), (62, 32585590), (122, 16559890), (124, 16292795), (155, 13034236), (244, 8279945), (305, 6623956), (310, 6517118), (610, 3311978), (620, 3258559), (1220, 1655989), (1891, 1068380), (3782, 534190), (7564, 267095), (9455, 213676), (18910, 106838), (37820, 53419)]