20853184

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1601

約数の個数: 56

約数和(自身を含む): 47548800

約数和(自身を除く): 26695616

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1559, 1672, 3118, 3344, 6236, 6688, 12472, 13376, 17149, 24944, 29621, 34298, 49888, 59242, 68596, 99776, 118484, 137192, 236968, 274384, 325831, 473936, 548768, 651662, 947872, 1097536, 1303324, 1895744, 2606648, 5213296, 10426592, 20853184]

約数ペア:

[(1, 20853184), (2, 10426592), (4, 5213296), (8, 2606648), (11, 1895744), (16, 1303324), (19, 1097536), (22, 947872), (32, 651662), (38, 548768), (44, 473936), (64, 325831), (76, 274384), (88, 236968), (152, 137192), (176, 118484), (209, 99776), (304, 68596), (352, 59242), (418, 49888), (608, 34298), (704, 29621), (836, 24944), (1216, 17149), (1559, 13376), (1672, 12472), (3118, 6688), (3344, 6236)]