20649944

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1303}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 44440320

約数和(自身を除く): 23790376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1303, 1981, 2264, 2606, 3962, 5212, 7924, 9121, 10424, 15848, 18242, 36484, 72968, 368749, 737498, 1474996, 2581243, 2949992, 5162486, 10324972, 20649944]

約数ペア:

[(1, 20649944), (2, 10324972), (4, 5162486), (7, 2949992), (8, 2581243), (14, 1474996), (28, 737498), (56, 368749), (283, 72968), (566, 36484), (1132, 18242), (1303, 15848), (1981, 10424), (2264, 9121), (2606, 7924), (3962, 5212)]