20139869185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 26749440000

約数和(自身を除く): 6609570815

約数列:

[1, 5, 19, 47, 59, 89, 95, 235, 295, 445, 859, 893, 1121, 1691, 2773, 4183, 4295, 4465, 5251, 5605, 8455, 13865, 16321, 20915, 26255, 40373, 50681, 52687, 76451, 79477, 81605, 99769, 201865, 246797, 253405, 263435, 382255, 397385, 498845, 767087, 962939, 1233985, 1452569, 2382007, 3593197, 3835435, 4510609, 4689143, 4814695, 7262845, 11910035, 17965985, 22553045, 23445715, 45258133, 68270743, 85701571, 211998623, 226290665, 341353715, 428507855, 1059993115, 4027973837, 20139869185]

約数ペア:

[(1, 20139869185), (5, 4027973837), (19, 1059993115), (47, 428507855), (59, 341353715), (89, 226290665), (95, 211998623), (235, 85701571), (295, 68270743), (445, 45258133), (859, 23445715), (893, 22553045), (1121, 17965985), (1691, 11910035), (2773, 7262845), (4183, 4814695), (4295, 4689143), (4465, 4510609), (5251, 3835435), (5605, 3593197), (8455, 2382007), (13865, 1452569), (16321, 1233985), (20915, 962939), (26255, 767087), (40373, 498845), (50681, 397385), (52687, 382255), (76451, 263435), (79477, 253405), (81605, 246797), (99769, 201865)]