20066176

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 44553600

約数和(自身を除く): 24487424

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 389, 403, 416, 496, 778, 806, 832, 992, 1556, 1612, 1664, 1984, 3112, 3224, 3968, 5057, 6224, 6448, 10114, 12059, 12448, 12896, 20228, 24118, 24896, 25792, 40456, 48236, 49792, 51584, 80912, 96472, 156767, 161824, 192944, 313534, 323648, 385888, 627068, 647296, 771776, 1254136, 1543552, 2508272, 5016544, 10033088, 20066176]

約数ペア:

[(1, 20066176), (2, 10033088), (4, 5016544), (8, 2508272), (13, 1543552), (16, 1254136), (26, 771776), (31, 647296), (32, 627068), (52, 385888), (62, 323648), (64, 313534), (104, 192944), (124, 161824), (128, 156767), (208, 96472), (248, 80912), (389, 51584), (403, 49792), (416, 48236), (496, 40456), (778, 25792), (806, 24896), (832, 24118), (992, 20228), (1556, 12896), (1612, 12448), (1664, 12059), (1984, 10114), (3112, 6448), (3224, 6224), (3968, 5057)]