20129508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 108

約数和(自身を含む): 61192768

約数和(自身を除く): 41063260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 151, 161, 207, 252, 276, 302, 322, 414, 453, 483, 529, 604, 644, 828, 906, 966, 1057, 1058, 1359, 1449, 1587, 1812, 1932, 2114, 2116, 2718, 2898, 3171, 3174, 3473, 3703, 4228, 4761, 5436, 5796, 6342, 6348, 6946, 7406, 9513, 9522, 10419, 11109, 12684, 13892, 14812, 19026, 19044, 20838, 22218, 24311, 31257, 33327, 38052, 41676, 44436, 48622, 62514, 66654, 72933, 79879, 97244, 125028, 133308, 145866, 159758, 218799, 239637, 291732, 319516, 437598, 479274, 559153, 718911, 875196, 958548, 1118306, 1437822, 1677459, 2236612, 2875644, 3354918, 5032377, 6709836, 10064754, 20129508]

約数ペア:

[(1, 20129508), (2, 10064754), (3, 6709836), (4, 5032377), (6, 3354918), (7, 2875644), (9, 2236612), (12, 1677459), (14, 1437822), (18, 1118306), (21, 958548), (23, 875196), (28, 718911), (36, 559153), (42, 479274), (46, 437598), (63, 319516), (69, 291732), (84, 239637), (92, 218799), (126, 159758), (138, 145866), (151, 133308), (161, 125028), (207, 97244), (252, 79879), (276, 72933), (302, 66654), (322, 62514), (414, 48622), (453, 44436), (483, 41676), (529, 38052), (604, 33327), (644, 31257), (828, 24311), (906, 22218), (966, 20838), (1057, 19044), (1058, 19026), (1359, 14812), (1449, 13892), (1587, 12684), (1812, 11109), (1932, 10419), (2114, 9522), (2116, 9513), (2718, 7406), (2898, 6946), (3171, 6348), (3174, 6342), (3473, 5796), (3703, 5436), (4228, 4761)]