20267936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 43563744

約数和(自身を除く): 23295808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 416, 587, 664, 1079, 1174, 1328, 2158, 2348, 2656, 4316, 4696, 7631, 8632, 9392, 15262, 17264, 18784, 30524, 34528, 48721, 61048, 97442, 122096, 194884, 244192, 389768, 633373, 779536, 1266746, 1559072, 2533492, 5066984, 10133968, 20267936]

約数ペア:

[(1, 20267936), (2, 10133968), (4, 5066984), (8, 2533492), (13, 1559072), (16, 1266746), (26, 779536), (32, 633373), (52, 389768), (83, 244192), (104, 194884), (166, 122096), (208, 97442), (332, 61048), (416, 48721), (587, 34528), (664, 30524), (1079, 18784), (1174, 17264), (1328, 15262), (2158, 9392), (2348, 8632), (2656, 7631), (4316, 4696)]