20102580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12409}}^1$

素因数の和:12430

約数の個数: 60

約数和(自身を含む): 63067620

約数和(自身を除く): 42965040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12409, 24818, 37227, 49636, 62045, 74454, 111681, 124090, 148908, 186135, 223362, 248180, 335043, 372270, 446724, 558405, 670086, 744540, 1005129, 1116810, 1340172, 1675215, 2010258, 2233620, 3350430, 4020516, 5025645, 6700860, 10051290, 20102580]

約数ペア:

[(1, 20102580), (2, 10051290), (3, 6700860), (4, 5025645), (5, 4020516), (6, 3350430), (9, 2233620), (10, 2010258), (12, 1675215), (15, 1340172), (18, 1116810), (20, 1005129), (27, 744540), (30, 670086), (36, 558405), (45, 446724), (54, 372270), (60, 335043), (81, 248180), (90, 223362), (108, 186135), (135, 148908), (162, 124090), (180, 111681), (270, 74454), (324, 62045), (405, 49636), (540, 37227), (810, 24818), (1620, 12409)]