20813827440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{9103}}^1$

素因数の和:10487

約数の個数: 160

約数和(自身を含む): 73802704896

約数和(自身を除く): 52988877456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1361, 1680, 2722, 4083, 5444, 6805, 8166, 9103, 9527, 10888, 13610, 16332, 18206, 19054, 20415, 21776, 27220, 27309, 28581, 32664, 36412, 38108, 40830, 45515, 47635, 54440, 54618, 57162, 63721, 65328, 72824, 76216, 81660, 91030, 95270, 108880, 109236, 114324, 127442, 136545, 142905, 145648, 152432, 163320, 182060, 190540, 191163, 218472, 228648, 254884, 273090, 285810, 318605, 326640, 364120, 381080, 382326, 436944, 457296, 509768, 546180, 571620, 637210, 728240, 762160, 764652, 955815, 1019536, 1092360, 1143240, 1274420, 1529304, 1911630, 2184720, 2286480, 2548840, 3058608, 3823260, 5097680, 7646520, 12389183, 15293040, 24778366, 37167549, 49556732, 61945915, 74335098, 86724281, 99113464, 123891830, 148670196, 173448562, 185837745, 198226928, 247783660, 260172843, 297340392, 346897124, 371675490, 433621405, 495567320, 520345686, 594680784, 693794248, 743350980, 867242810, 991134640, 1040691372, 1300864215, 1387588496, 1486701960, 1734485620, 2081382744, 2601728430, 2973403920, 3468971240, 4162765488, 5203456860, 6937942480, 10406913720, 20813827440]

約数ペア:

[(1, 20813827440), (2, 10406913720), (3, 6937942480), (4, 5203456860), (5, 4162765488), (6, 3468971240), (7, 2973403920), (8, 2601728430), (10, 2081382744), (12, 1734485620), (14, 1486701960), (15, 1387588496), (16, 1300864215), (20, 1040691372), (21, 991134640), (24, 867242810), (28, 743350980), (30, 693794248), (35, 594680784), (40, 520345686), (42, 495567320), (48, 433621405), (56, 371675490), (60, 346897124), (70, 297340392), (80, 260172843), (84, 247783660), (105, 198226928), (112, 185837745), (120, 173448562), (140, 148670196), (168, 123891830), (210, 99113464), (240, 86724281), (280, 74335098), (336, 61945915), (420, 49556732), (560, 37167549), (840, 24778366), (1361, 15293040), (1680, 12389183), (2722, 7646520), (4083, 5097680), (5444, 3823260), (6805, 3058608), (8166, 2548840), (9103, 2286480), (9527, 2184720), (10888, 1911630), (13610, 1529304), (16332, 1274420), (18206, 1143240), (19054, 1092360), (20415, 1019536), (21776, 955815), (27220, 764652), (27309, 762160), (28581, 728240), (32664, 637210), (36412, 571620), (38108, 546180), (40830, 509768), (45515, 457296), (47635, 436944), (54440, 382326), (54618, 381080), (57162, 364120), (63721, 326640), (65328, 318605), (72824, 285810), (76216, 273090), (81660, 254884), (91030, 228648), (95270, 218472), (108880, 191163), (109236, 190540), (114324, 182060), (127442, 163320), (136545, 152432), (142905, 145648)]