20711904

素因数分解:

$2^5\times 3^1\times {\mathrm{79}}^1\times {\mathrm{2731}}^1$

素因数の和:2823

約数の個数: 48

約数和(自身を含む): 55077120

約数和(自身を除く): 34365216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 79, 96, 158, 237, 316, 474, 632, 948, 1264, 1896, 2528, 2731, 3792, 5462, 7584, 8193, 10924, 16386, 21848, 32772, 43696, 65544, 87392, 131088, 215749, 262176, 431498, 647247, 862996, 1294494, 1725992, 2588988, 3451984, 5177976, 6903968, 10355952, 20711904]

約数ペア:

[(1, 20711904), (2, 10355952), (3, 6903968), (4, 5177976), (6, 3451984), (8, 2588988), (12, 1725992), (16, 1294494), (24, 862996), (32, 647247), (48, 431498), (79, 262176), (96, 215749), (158, 131088), (237, 87392), (316, 65544), (474, 43696), (632, 32772), (948, 21848), (1264, 16386), (1896, 10924), (2528, 8193), (2731, 7584), (3792, 5462)]