20046825

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1783

約数の個数: 48

約数和(自身を含む): 39015360

約数和(自身を除く): 18968535

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 1747, 2295, 3825, 5241, 8735, 11475, 15723, 26205, 29699, 43675, 47169, 78615, 89097, 131025, 148495, 235845, 267291, 393075, 445485, 742475, 801873, 1179225, 1336455, 2227425, 4009365, 6682275, 20046825]

約数ペア:

[(1, 20046825), (3, 6682275), (5, 4009365), (9, 2227425), (15, 1336455), (17, 1179225), (25, 801873), (27, 742475), (45, 445485), (51, 393075), (75, 267291), (85, 235845), (135, 148495), (153, 131025), (225, 89097), (255, 78615), (425, 47169), (459, 43675), (675, 29699), (765, 26205), (1275, 15723), (1747, 11475), (2295, 8735), (3825, 5241)]