20568912

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:325

約数の個数: 160

約数和(自身を含む): 69495552

約数和(自身を除く): 48926640

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 102, 104, 112, 119, 136, 156, 168, 182, 204, 208, 221, 238, 272, 273, 277, 312, 336, 357, 364, 408, 442, 476, 546, 554, 624, 663, 714, 728, 816, 831, 884, 952, 1092, 1108, 1326, 1428, 1456, 1547, 1662, 1768, 1904, 1939, 2184, 2216, 2652, 2856, 3094, 3324, 3536, 3601, 3878, 4368, 4432, 4641, 4709, 5304, 5712, 5817, 6188, 6648, 7202, 7756, 9282, 9418, 10608, 10803, 11634, 12376, 13296, 14127, 14404, 15512, 18564, 18836, 21606, 23268, 24752, 25207, 28254, 28808, 31024, 32963, 37128, 37672, 43212, 46536, 50414, 56508, 57616, 61217, 65926, 74256, 75344, 75621, 86424, 93072, 98889, 100828, 113016, 122434, 131852, 151242, 172848, 183651, 197778, 201656, 226032, 244868, 263704, 302484, 367302, 395556, 403312, 428519, 489736, 527408, 604968, 734604, 791112, 857038, 979472, 1209936, 1285557, 1469208, 1582224, 1714076, 2571114, 2938416, 3428152, 5142228, 6856304, 10284456, 20568912]

約数ペア:

[(1, 20568912), (2, 10284456), (3, 6856304), (4, 5142228), (6, 3428152), (7, 2938416), (8, 2571114), (12, 1714076), (13, 1582224), (14, 1469208), (16, 1285557), (17, 1209936), (21, 979472), (24, 857038), (26, 791112), (28, 734604), (34, 604968), (39, 527408), (42, 489736), (48, 428519), (51, 403312), (52, 395556), (56, 367302), (68, 302484), (78, 263704), (84, 244868), (91, 226032), (102, 201656), (104, 197778), (112, 183651), (119, 172848), (136, 151242), (156, 131852), (168, 122434), (182, 113016), (204, 100828), (208, 98889), (221, 93072), (238, 86424), (272, 75621), (273, 75344), (277, 74256), (312, 65926), (336, 61217), (357, 57616), (364, 56508), (408, 50414), (442, 46536), (476, 43212), (546, 37672), (554, 37128), (624, 32963), (663, 31024), (714, 28808), (728, 28254), (816, 25207), (831, 24752), (884, 23268), (952, 21606), (1092, 18836), (1108, 18564), (1326, 15512), (1428, 14404), (1456, 14127), (1547, 13296), (1662, 12376), (1768, 11634), (1904, 10803), (1939, 10608), (2184, 9418), (2216, 9282), (2652, 7756), (2856, 7202), (3094, 6648), (3324, 6188), (3536, 5817), (3601, 5712), (3878, 5304), (4368, 4709), (4432, 4641)]