20690426472

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 53944704000

約数和(自身を除く): 33254277528

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 241, 248, 257, 372, 449, 482, 514, 723, 744, 771, 898, 964, 1028, 1347, 1446, 1542, 1796, 1928, 2056, 2694, 2892, 3084, 3592, 5388, 5784, 6168, 7471, 7967, 10776, 13919, 14942, 15934, 22413, 23901, 27838, 29884, 31868, 41757, 44826, 47802, 55676, 59768, 61937, 63736, 83514, 89652, 95604, 108209, 111352, 115393, 123874, 167028, 179304, 185811, 191208, 216418, 230786, 247748, 324627, 334056, 346179, 371622, 432836, 461572, 495496, 649254, 692358, 743244, 865672, 923144, 1298508, 1384716, 1486488, 1920047, 2597016, 2769432, 3354479, 3577183, 3840094, 5760141, 6708958, 7154366, 7680188, 10063437, 10731549, 11520282, 13417916, 14308732, 15360376, 20126874, 21463098, 23040564, 26835832, 27809713, 28617464, 40253748, 42926196, 46081128, 55619426, 80507496, 83429139, 85852392, 111238852, 166858278, 222477704, 333716556, 667433112, 862101103, 1724202206, 2586303309, 3448404412, 5172606618, 6896808824, 10345213236, 20690426472]

約数ペア:

[(1, 20690426472), (2, 10345213236), (3, 6896808824), (4, 5172606618), (6, 3448404412), (8, 2586303309), (12, 1724202206), (24, 862101103), (31, 667433112), (62, 333716556), (93, 222477704), (124, 166858278), (186, 111238852), (241, 85852392), (248, 83429139), (257, 80507496), (372, 55619426), (449, 46081128), (482, 42926196), (514, 40253748), (723, 28617464), (744, 27809713), (771, 26835832), (898, 23040564), (964, 21463098), (1028, 20126874), (1347, 15360376), (1446, 14308732), (1542, 13417916), (1796, 11520282), (1928, 10731549), (2056, 10063437), (2694, 7680188), (2892, 7154366), (3084, 6708958), (3592, 5760141), (5388, 3840094), (5784, 3577183), (6168, 3354479), (7471, 2769432), (7967, 2597016), (10776, 1920047), (13919, 1486488), (14942, 1384716), (15934, 1298508), (22413, 923144), (23901, 865672), (27838, 743244), (29884, 692358), (31868, 649254), (41757, 495496), (44826, 461572), (47802, 432836), (55676, 371622), (59768, 346179), (61937, 334056), (63736, 324627), (83514, 247748), (89652, 230786), (95604, 216418), (108209, 191208), (111352, 185811), (115393, 179304), (123874, 167028)]