20817552

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 64120896

約数和(自身を除く): 43303344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 53, 56, 84, 98, 106, 112, 147, 159, 167, 168, 196, 212, 294, 318, 334, 336, 371, 392, 424, 501, 588, 636, 668, 742, 784, 848, 1002, 1113, 1169, 1176, 1272, 1336, 1484, 2004, 2226, 2338, 2352, 2544, 2597, 2672, 2968, 3507, 4008, 4452, 4676, 5194, 5936, 7014, 7791, 8016, 8183, 8851, 8904, 9352, 10388, 14028, 15582, 16366, 17702, 17808, 18704, 20776, 24549, 26553, 28056, 31164, 32732, 35404, 41552, 49098, 53106, 56112, 61957, 62328, 65464, 70808, 98196, 106212, 123914, 124656, 130928, 141616, 185871, 196392, 212424, 247828, 371742, 392784, 424848, 433699, 495656, 743484, 867398, 991312, 1301097, 1486968, 1734796, 2602194, 2973936, 3469592, 5204388, 6939184, 10408776, 20817552]

約数ペア:

[(1, 20817552), (2, 10408776), (3, 6939184), (4, 5204388), (6, 3469592), (7, 2973936), (8, 2602194), (12, 1734796), (14, 1486968), (16, 1301097), (21, 991312), (24, 867398), (28, 743484), (42, 495656), (48, 433699), (49, 424848), (53, 392784), (56, 371742), (84, 247828), (98, 212424), (106, 196392), (112, 185871), (147, 141616), (159, 130928), (167, 124656), (168, 123914), (196, 106212), (212, 98196), (294, 70808), (318, 65464), (334, 62328), (336, 61957), (371, 56112), (392, 53106), (424, 49098), (501, 41552), (588, 35404), (636, 32732), (668, 31164), (742, 28056), (784, 26553), (848, 24549), (1002, 20776), (1113, 18704), (1169, 17808), (1176, 17702), (1272, 16366), (1336, 15582), (1484, 14028), (2004, 10388), (2226, 9352), (2338, 8904), (2352, 8851), (2544, 8183), (2597, 8016), (2672, 7791), (2968, 7014), (3507, 5936), (4008, 5194), (4452, 4676)]