20215705968

素因数分解:

$2^4\times 3^2\times {\mathrm{163}}^1\times {\mathrm{229}}^1\times {\mathrm{3761}}^1$

素因数の和:4167

約数の個数: 120

約数和(自身を含む): 57186763920

約数和(自身を除く): 36971057952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 163, 229, 326, 458, 489, 652, 687, 916, 978, 1304, 1374, 1467, 1832, 1956, 2061, 2608, 2748, 2934, 3664, 3761, 3912, 4122, 5496, 5868, 7522, 7824, 8244, 10992, 11283, 11736, 15044, 16488, 22566, 23472, 30088, 32976, 33849, 37327, 45132, 60176, 67698, 74654, 90264, 111981, 135396, 149308, 180528, 223962, 270792, 298616, 335943, 447924, 541584, 597232, 613043, 671886, 861269, 895848, 1226086, 1343772, 1722538, 1791696, 1839129, 2452172, 2583807, 2687544, 3445076, 3678258, 4904344, 5167614, 5375088, 5517387, 6890152, 7356516, 7751421, 9808688, 10335228, 11034774, 13780304, 14713032, 15502842, 20670456, 22069548, 29426064, 31005684, 41340912, 44139096, 62011368, 88278192, 124022736, 140386847, 280773694, 421160541, 561547388, 842321082, 1123094776, 1263481623, 1684642164, 2246189552, 2526963246, 3369284328, 5053926492, 6738568656, 10107852984, 20215705968]

約数ペア:

[(1, 20215705968), (2, 10107852984), (3, 6738568656), (4, 5053926492), (6, 3369284328), (8, 2526963246), (9, 2246189552), (12, 1684642164), (16, 1263481623), (18, 1123094776), (24, 842321082), (36, 561547388), (48, 421160541), (72, 280773694), (144, 140386847), (163, 124022736), (229, 88278192), (326, 62011368), (458, 44139096), (489, 41340912), (652, 31005684), (687, 29426064), (916, 22069548), (978, 20670456), (1304, 15502842), (1374, 14713032), (1467, 13780304), (1832, 11034774), (1956, 10335228), (2061, 9808688), (2608, 7751421), (2748, 7356516), (2934, 6890152), (3664, 5517387), (3761, 5375088), (3912, 5167614), (4122, 4904344), (5496, 3678258), (5868, 3445076), (7522, 2687544), (7824, 2583807), (8244, 2452172), (10992, 1839129), (11283, 1791696), (11736, 1722538), (15044, 1343772), (16488, 1226086), (22566, 895848), (23472, 861269), (30088, 671886), (32976, 613043), (33849, 597232), (37327, 541584), (45132, 447924), (60176, 335943), (67698, 298616), (74654, 270792), (90264, 223962), (111981, 180528), (135396, 149308)]