20727900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{853}}^1$

素因数の和:882

約数の個数: 108

約数和(自身を含む): 67455752

約数和(自身を除く): 46727852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 853, 900, 972, 1215, 1350, 1620, 1706, 2025, 2430, 2559, 2700, 3412, 4050, 4265, 4860, 5118, 6075, 7677, 8100, 8530, 10236, 12150, 12795, 15354, 17060, 21325, 23031, 24300, 25590, 30708, 38385, 42650, 46062, 51180, 63975, 69093, 76770, 85300, 92124, 115155, 127950, 138186, 153540, 191925, 207279, 230310, 255900, 276372, 345465, 383850, 414558, 460620, 575775, 690930, 767700, 829116, 1036395, 1151550, 1381860, 1727325, 2072790, 2303100, 3454650, 4145580, 5181975, 6909300, 10363950, 20727900]

約数ペア:

[(1, 20727900), (2, 10363950), (3, 6909300), (4, 5181975), (5, 4145580), (6, 3454650), (9, 2303100), (10, 2072790), (12, 1727325), (15, 1381860), (18, 1151550), (20, 1036395), (25, 829116), (27, 767700), (30, 690930), (36, 575775), (45, 460620), (50, 414558), (54, 383850), (60, 345465), (75, 276372), (81, 255900), (90, 230310), (100, 207279), (108, 191925), (135, 153540), (150, 138186), (162, 127950), (180, 115155), (225, 92124), (243, 85300), (270, 76770), (300, 69093), (324, 63975), (405, 51180), (450, 46062), (486, 42650), (540, 38385), (675, 30708), (810, 25590), (853, 24300), (900, 23031), (972, 21325), (1215, 17060), (1350, 15354), (1620, 12795), (1706, 12150), (2025, 10236), (2430, 8530), (2559, 8100), (2700, 7677), (3412, 6075), (4050, 5118), (4265, 4860)]