20919792

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 59139072

約数和(自身を除く): 38219280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 816, 827, 1054, 1488, 1581, 1654, 2108, 2481, 3162, 3308, 4216, 4962, 6324, 6616, 8432, 9924, 12648, 13232, 14059, 19848, 25296, 25637, 28118, 39696, 42177, 51274, 56236, 76911, 84354, 102548, 112472, 153822, 168708, 205096, 224944, 307644, 337416, 410192, 435829, 615288, 674832, 871658, 1230576, 1307487, 1743316, 2614974, 3486632, 5229948, 6973264, 10459896, 20919792]

約数ペア:

[(1, 20919792), (2, 10459896), (3, 6973264), (4, 5229948), (6, 3486632), (8, 2614974), (12, 1743316), (16, 1307487), (17, 1230576), (24, 871658), (31, 674832), (34, 615288), (48, 435829), (51, 410192), (62, 337416), (68, 307644), (93, 224944), (102, 205096), (124, 168708), (136, 153822), (186, 112472), (204, 102548), (248, 84354), (272, 76911), (372, 56236), (408, 51274), (496, 42177), (527, 39696), (744, 28118), (816, 25637), (827, 25296), (1054, 19848), (1488, 14059), (1581, 13232), (1654, 12648), (2108, 9924), (2481, 8432), (3162, 6616), (3308, 6324), (4216, 4962)]