20882520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 53248680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 57, 60, 71, 72, 76, 86, 90, 95, 114, 120, 129, 142, 152, 171, 172, 180, 190, 213, 215, 228, 258, 284, 285, 342, 344, 355, 360, 380, 387, 426, 430, 456, 516, 568, 570, 639, 645, 684, 710, 760, 774, 817, 852, 855, 860, 1032, 1065, 1140, 1278, 1290, 1349, 1368, 1420, 1548, 1634, 1704, 1710, 1720, 1935, 2130, 2280, 2451, 2556, 2580, 2698, 2840, 3053, 3096, 3195, 3268, 3420, 3870, 4047, 4085, 4260, 4902, 5112, 5160, 5396, 6106, 6390, 6536, 6745, 6840, 7353, 7740, 8094, 8170, 8520, 9159, 9804, 10792, 12141, 12212, 12255, 12780, 13490, 14706, 15265, 15480, 16188, 16340, 18318, 19608, 20235, 24282, 24424, 24510, 25560, 26980, 27477, 29412, 30530, 32376, 32680, 36636, 36765, 40470, 45795, 48564, 49020, 53960, 54954, 58007, 58824, 60705, 61060, 73272, 73530, 80940, 91590, 97128, 98040, 109908, 116014, 121410, 122120, 137385, 147060, 161880, 174021, 183180, 219816, 232028, 242820, 274770, 290035, 294120, 348042, 366360, 464056, 485640, 522063, 549540, 580070, 696084, 870105, 1044126, 1099080, 1160140, 1392168, 1740210, 2088252, 2320280, 2610315, 3480420, 4176504, 5220630, 6960840, 10441260, 20882520]

約数ペア:

[(1, 20882520), (2, 10441260), (3, 6960840), (4, 5220630), (5, 4176504), (6, 3480420), (8, 2610315), (9, 2320280), (10, 2088252), (12, 1740210), (15, 1392168), (18, 1160140), (19, 1099080), (20, 1044126), (24, 870105), (30, 696084), (36, 580070), (38, 549540), (40, 522063), (43, 485640), (45, 464056), (57, 366360), (60, 348042), (71, 294120), (72, 290035), (76, 274770), (86, 242820), (90, 232028), (95, 219816), (114, 183180), (120, 174021), (129, 161880), (142, 147060), (152, 137385), (171, 122120), (172, 121410), (180, 116014), (190, 109908), (213, 98040), (215, 97128), (228, 91590), (258, 80940), (284, 73530), (285, 73272), (342, 61060), (344, 60705), (355, 58824), (360, 58007), (380, 54954), (387, 53960), (426, 49020), (430, 48564), (456, 45795), (516, 40470), (568, 36765), (570, 36636), (639, 32680), (645, 32376), (684, 30530), (710, 29412), (760, 27477), (774, 26980), (817, 25560), (852, 24510), (855, 24424), (860, 24282), (1032, 20235), (1065, 19608), (1140, 18318), (1278, 16340), (1290, 16188), (1349, 15480), (1368, 15265), (1420, 14706), (1548, 13490), (1634, 12780), (1704, 12255), (1710, 12212), (1720, 12141), (1935, 10792), (2130, 9804), (2280, 9159), (2451, 8520), (2556, 8170), (2580, 8094), (2698, 7740), (2840, 7353), (3053, 6840), (3096, 6745), (3195, 6536), (3268, 6390), (3420, 6106), (3870, 5396), (4047, 5160), (4085, 5112), (4260, 4902)]