20257368

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 52362720

約数和(自身を除く): 32105352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 101, 122, 137, 183, 202, 244, 274, 303, 366, 404, 411, 488, 548, 606, 732, 808, 822, 1096, 1212, 1464, 1644, 2424, 3288, 6161, 8357, 12322, 13837, 16714, 18483, 24644, 25071, 27674, 33428, 36966, 41511, 49288, 50142, 55348, 66856, 73932, 83022, 100284, 110696, 147864, 166044, 200568, 332088, 844057, 1688114, 2532171, 3376228, 5064342, 6752456, 10128684, 20257368]

約数ペア:

[(1, 20257368), (2, 10128684), (3, 6752456), (4, 5064342), (6, 3376228), (8, 2532171), (12, 1688114), (24, 844057), (61, 332088), (101, 200568), (122, 166044), (137, 147864), (183, 110696), (202, 100284), (244, 83022), (274, 73932), (303, 66856), (366, 55348), (404, 50142), (411, 49288), (488, 41511), (548, 36966), (606, 33428), (732, 27674), (808, 25071), (822, 24644), (1096, 18483), (1212, 16714), (1464, 13837), (1644, 12322), (2424, 8357), (3288, 6161)]