20853888

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{4937}}^1$

素因数の和:4965

約数の個数: 64

約数和(自身を含む): 60441120

約数和(自身を除く): 39587232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 4937, 9874, 14811, 19748, 29622, 39496, 54307, 59244, 78992, 108614, 118488, 157984, 162921, 217228, 236976, 315968, 325842, 434456, 473952, 631936, 651684, 868912, 947904, 1303368, 1737824, 1895808, 2606736, 3475648, 5213472, 6951296, 10426944, 20853888]

約数ペア:

[(1, 20853888), (2, 10426944), (3, 6951296), (4, 5213472), (6, 3475648), (8, 2606736), (11, 1895808), (12, 1737824), (16, 1303368), (22, 947904), (24, 868912), (32, 651684), (33, 631936), (44, 473952), (48, 434456), (64, 325842), (66, 315968), (88, 236976), (96, 217228), (128, 162921), (132, 157984), (176, 118488), (192, 108614), (264, 78992), (352, 59244), (384, 54307), (528, 39496), (704, 29622), (1056, 19748), (1408, 14811), (2112, 9874), (4224, 4937)]