20131573808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{9311}}^1\times {\mathrm{7949}}^1$

素因数の和:17285

約数の個数: 40

約数和(自身を含む): 41308963200

約数和(自身を除く): 21177389392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7949, 9311, 15898, 18622, 31796, 37244, 63592, 74488, 127184, 135133, 148976, 158287, 270266, 316574, 540532, 633148, 1081064, 1266296, 2162128, 2532592, 74013139, 148026278, 296052556, 592105112, 1184210224, 1258223363, 2516446726, 5032893452, 10065786904, 20131573808]

約数ペア:

[(1, 20131573808), (2, 10065786904), (4, 5032893452), (8, 2516446726), (16, 1258223363), (17, 1184210224), (34, 592105112), (68, 296052556), (136, 148026278), (272, 74013139), (7949, 2532592), (9311, 2162128), (15898, 1266296), (18622, 1081064), (31796, 633148), (37244, 540532), (63592, 316574), (74488, 270266), (127184, 158287), (135133, 148976)]