2020190704

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{2699}}^1$

素因数の和:2918

約数の個数: 80

約数和(自身を含む): 4612204800

約数和(自身を除く): 2592014096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 163, 164, 287, 326, 328, 574, 652, 656, 1141, 1148, 1304, 2282, 2296, 2608, 2699, 4564, 4592, 5398, 6683, 9128, 10796, 13366, 18256, 18893, 21592, 26732, 37786, 43184, 46781, 53464, 75572, 93562, 106928, 110659, 151144, 187124, 221318, 302288, 374248, 439937, 442636, 748496, 774613, 879874, 885272, 1549226, 1759748, 1770544, 3079559, 3098452, 3519496, 6159118, 6196904, 7038992, 12318236, 12393808, 18037417, 24636472, 36074834, 49272944, 72149668, 126261919, 144299336, 252523838, 288598672, 505047676, 1010095352, 2020190704]

約数ペア:

[(1, 2020190704), (2, 1010095352), (4, 505047676), (7, 288598672), (8, 252523838), (14, 144299336), (16, 126261919), (28, 72149668), (41, 49272944), (56, 36074834), (82, 24636472), (112, 18037417), (163, 12393808), (164, 12318236), (287, 7038992), (326, 6196904), (328, 6159118), (574, 3519496), (652, 3098452), (656, 3079559), (1141, 1770544), (1148, 1759748), (1304, 1549226), (2282, 885272), (2296, 879874), (2608, 774613), (2699, 748496), (4564, 442636), (4592, 439937), (5398, 374248), (6683, 302288), (9128, 221318), (10796, 187124), (13366, 151144), (18256, 110659), (18893, 106928), (21592, 93562), (26732, 75572), (37786, 53464), (43184, 46781)]