20045088

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 66620736

約数和(自身を除く): 46575648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 72, 84, 96, 112, 122, 126, 144, 163, 168, 183, 224, 244, 252, 288, 326, 336, 366, 427, 488, 489, 504, 549, 652, 672, 732, 854, 976, 978, 1008, 1098, 1141, 1281, 1304, 1464, 1467, 1708, 1952, 1956, 2016, 2196, 2282, 2562, 2608, 2928, 2934, 3416, 3423, 3843, 3912, 4392, 4564, 5124, 5216, 5856, 5868, 6832, 6846, 7686, 7824, 8784, 9128, 9943, 10248, 10269, 11736, 13664, 13692, 15372, 15648, 17568, 18256, 19886, 20496, 20538, 23472, 27384, 29829, 30744, 36512, 39772, 40992, 41076, 46944, 54768, 59658, 61488, 69601, 79544, 82152, 89487, 109536, 119316, 122976, 139202, 159088, 164304, 178974, 208803, 238632, 278404, 318176, 328608, 357948, 417606, 477264, 556808, 626409, 715896, 835212, 954528, 1113616, 1252818, 1431792, 1670424, 2227232, 2505636, 2863584, 3340848, 5011272, 6681696, 10022544, 20045088]

約数ペア:

[(1, 20045088), (2, 10022544), (3, 6681696), (4, 5011272), (6, 3340848), (7, 2863584), (8, 2505636), (9, 2227232), (12, 1670424), (14, 1431792), (16, 1252818), (18, 1113616), (21, 954528), (24, 835212), (28, 715896), (32, 626409), (36, 556808), (42, 477264), (48, 417606), (56, 357948), (61, 328608), (63, 318176), (72, 278404), (84, 238632), (96, 208803), (112, 178974), (122, 164304), (126, 159088), (144, 139202), (163, 122976), (168, 119316), (183, 109536), (224, 89487), (244, 82152), (252, 79544), (288, 69601), (326, 61488), (336, 59658), (366, 54768), (427, 46944), (488, 41076), (489, 40992), (504, 39772), (549, 36512), (652, 30744), (672, 29829), (732, 27384), (854, 23472), (976, 20538), (978, 20496), (1008, 19886), (1098, 18256), (1141, 17568), (1281, 15648), (1304, 15372), (1464, 13692), (1467, 13664), (1708, 11736), (1952, 10269), (1956, 10248), (2016, 9943), (2196, 9128), (2282, 8784), (2562, 7824), (2608, 7686), (2928, 6846), (2934, 6832), (3416, 5868), (3423, 5856), (3843, 5216), (3912, 5124), (4392, 4564)]