20788512

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2609}}^1$

素因数の和:2705

約数の個数: 48

約数和(自身を含む): 55248480

約数和(自身を除く): 34459968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2609, 2656, 3984, 5218, 7827, 7968, 10436, 15654, 20872, 31308, 41744, 62616, 83488, 125232, 216547, 250464, 433094, 649641, 866188, 1299282, 1732376, 2598564, 3464752, 5197128, 6929504, 10394256, 20788512]

約数ペア:

[(1, 20788512), (2, 10394256), (3, 6929504), (4, 5197128), (6, 3464752), (8, 2598564), (12, 1732376), (16, 1299282), (24, 866188), (32, 649641), (48, 433094), (83, 250464), (96, 216547), (166, 125232), (249, 83488), (332, 62616), (498, 41744), (664, 31308), (996, 20872), (1328, 15654), (1992, 10436), (2609, 7968), (2656, 7827), (3984, 5218)]