20575616

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 44431200

約数和(自身を除く): 23855584

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 64, 92, 116, 128, 184, 232, 241, 368, 464, 482, 667, 736, 928, 964, 1334, 1472, 1856, 1928, 2668, 2944, 3712, 3856, 5336, 5543, 6989, 7712, 10672, 11086, 13978, 15424, 21344, 22172, 27956, 30848, 42688, 44344, 55912, 85376, 88688, 111824, 160747, 177376, 223648, 321494, 354752, 447296, 642988, 709504, 894592, 1285976, 2571952, 5143904, 10287808, 20575616]

約数ペア:

[(1, 20575616), (2, 10287808), (4, 5143904), (8, 2571952), (16, 1285976), (23, 894592), (29, 709504), (32, 642988), (46, 447296), (58, 354752), (64, 321494), (92, 223648), (116, 177376), (128, 160747), (184, 111824), (232, 88688), (241, 85376), (368, 55912), (464, 44344), (482, 42688), (667, 30848), (736, 27956), (928, 22172), (964, 21344), (1334, 15424), (1472, 13978), (1856, 11086), (1928, 10672), (2668, 7712), (2944, 6989), (3712, 5543), (3856, 5336)]