20161187808

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{7349}}^1$

素因数の和:7461

約数の個数: 144

約数和(自身を含む): 57444130800

約数和(自身を除く): 37282942992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 41, 48, 51, 68, 82, 96, 102, 123, 136, 164, 204, 246, 272, 328, 408, 492, 544, 656, 697, 816, 984, 1312, 1394, 1632, 1681, 1968, 2091, 2788, 3362, 3936, 4182, 5043, 5576, 6724, 7349, 8364, 10086, 11152, 13448, 14698, 16728, 20172, 22047, 22304, 26896, 28577, 29396, 33456, 40344, 44094, 53792, 57154, 58792, 66912, 80688, 85731, 88188, 114308, 117584, 124933, 161376, 171462, 176376, 228616, 235168, 249866, 301309, 342924, 352752, 374799, 457232, 499732, 602618, 685848, 705504, 749598, 903927, 914464, 999464, 1205236, 1371696, 1499196, 1807854, 1998928, 2410472, 2743392, 2998392, 3615708, 3997856, 4820944, 5122253, 5996784, 7231416, 9641888, 10244506, 11993568, 12353669, 14462832, 15366759, 20489012, 24707338, 28925664, 30733518, 37061007, 40978024, 49414676, 61467036, 74122014, 81956048, 98829352, 122934072, 148244028, 163912096, 197658704, 210012373, 245868144, 296488056, 395317408, 420024746, 491736288, 592976112, 630037119, 840049492, 1185952224, 1260074238, 1680098984, 2520148476, 3360197968, 5040296952, 6720395936, 10080593904, 20161187808]

約数ペア:

[(1, 20161187808), (2, 10080593904), (3, 6720395936), (4, 5040296952), (6, 3360197968), (8, 2520148476), (12, 1680098984), (16, 1260074238), (17, 1185952224), (24, 840049492), (32, 630037119), (34, 592976112), (41, 491736288), (48, 420024746), (51, 395317408), (68, 296488056), (82, 245868144), (96, 210012373), (102, 197658704), (123, 163912096), (136, 148244028), (164, 122934072), (204, 98829352), (246, 81956048), (272, 74122014), (328, 61467036), (408, 49414676), (492, 40978024), (544, 37061007), (656, 30733518), (697, 28925664), (816, 24707338), (984, 20489012), (1312, 15366759), (1394, 14462832), (1632, 12353669), (1681, 11993568), (1968, 10244506), (2091, 9641888), (2788, 7231416), (3362, 5996784), (3936, 5122253), (4182, 4820944), (5043, 3997856), (5576, 3615708), (6724, 2998392), (7349, 2743392), (8364, 2410472), (10086, 1998928), (11152, 1807854), (13448, 1499196), (14698, 1371696), (16728, 1205236), (20172, 999464), (22047, 914464), (22304, 903927), (26896, 749598), (28577, 705504), (29396, 685848), (33456, 602618), (40344, 499732), (44094, 457232), (53792, 374799), (57154, 352752), (58792, 342924), (66912, 301309), (80688, 249866), (85731, 235168), (88188, 228616), (114308, 176376), (117584, 171462), (124933, 161376)]