20528430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4049}}^1$

素因数の和:4085

約数の個数: 48

約数和(自身を含む): 53362800

約数和(自身を除く): 32834370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4049, 5070, 8098, 12147, 20245, 24294, 40490, 52637, 60735, 105274, 121470, 157911, 263185, 315822, 526370, 684281, 789555, 1368562, 1579110, 2052843, 3421405, 4105686, 6842810, 10264215, 20528430]

約数ペア:

[(1, 20528430), (2, 10264215), (3, 6842810), (5, 4105686), (6, 3421405), (10, 2052843), (13, 1579110), (15, 1368562), (26, 789555), (30, 684281), (39, 526370), (65, 315822), (78, 263185), (130, 157911), (169, 121470), (195, 105274), (338, 60735), (390, 52637), (507, 40490), (845, 24294), (1014, 20245), (1690, 12147), (2535, 8098), (4049, 5070)]