20218757338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{407357}}^1$

素因数の和:407478

約数の個数: 32

約数和(自身を含む): 34491816576

約数和(自身を除く): 14273059238

約数列:

[1, 2, 13, 23, 26, 46, 83, 166, 299, 598, 1079, 1909, 2158, 3818, 24817, 49634, 407357, 814714, 5295641, 9369211, 10591282, 18738422, 33810631, 67621262, 121799743, 243599486, 439538203, 777644513, 879076406, 1555289026, 10109378669, 20218757338]

約数ペア:

[(1, 20218757338), (2, 10109378669), (13, 1555289026), (23, 879076406), (26, 777644513), (46, 439538203), (83, 243599486), (166, 121799743), (299, 67621262), (598, 33810631), (1079, 18738422), (1909, 10591282), (2158, 9369211), (3818, 5295641), (24817, 814714), (49634, 407357)]