20452768

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 50295168

約数和(自身を除く): 29842400

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 41, 56, 68, 82, 112, 119, 131, 136, 164, 224, 238, 262, 272, 287, 328, 476, 524, 544, 574, 656, 697, 917, 952, 1048, 1148, 1312, 1394, 1834, 1904, 2096, 2227, 2296, 2788, 3668, 3808, 4192, 4454, 4592, 4879, 5371, 5576, 7336, 8908, 9184, 9758, 10742, 11152, 14672, 15589, 17816, 19516, 21484, 22304, 29344, 31178, 35632, 37597, 39032, 42968, 62356, 71264, 75194, 78064, 85936, 91307, 124712, 150388, 156128, 171872, 182614, 249424, 300776, 365228, 498848, 601552, 639149, 730456, 1203104, 1278298, 1460912, 2556596, 2921824, 5113192, 10226384, 20452768]

約数ペア:

[(1, 20452768), (2, 10226384), (4, 5113192), (7, 2921824), (8, 2556596), (14, 1460912), (16, 1278298), (17, 1203104), (28, 730456), (32, 639149), (34, 601552), (41, 498848), (56, 365228), (68, 300776), (82, 249424), (112, 182614), (119, 171872), (131, 156128), (136, 150388), (164, 124712), (224, 91307), (238, 85936), (262, 78064), (272, 75194), (287, 71264), (328, 62356), (476, 42968), (524, 39032), (544, 37597), (574, 35632), (656, 31178), (697, 29344), (917, 22304), (952, 21484), (1048, 19516), (1148, 17816), (1312, 15589), (1394, 14672), (1834, 11152), (1904, 10742), (2096, 9758), (2227, 9184), (2296, 8908), (2788, 7336), (3668, 5576), (3808, 5371), (4192, 4879), (4454, 4592)]