20921241612

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{56369}}^1$

素因数の和:56730

約数の個数: 48

約数和(自身を含む): 49377414240

約数和(自身を除く): 28456172628

約数列:

[1, 2, 3, 4, 6, 12, 157, 197, 314, 394, 471, 591, 628, 788, 942, 1182, 1884, 2364, 30929, 56369, 61858, 92787, 112738, 123716, 169107, 185574, 225476, 338214, 371148, 676428, 8849933, 11104693, 17699866, 22209386, 26549799, 33314079, 35399732, 44418772, 53099598, 66628158, 106199196, 133256316, 1743436801, 3486873602, 5230310403, 6973747204, 10460620806, 20921241612]

約数ペア:

[(1, 20921241612), (2, 10460620806), (3, 6973747204), (4, 5230310403), (6, 3486873602), (12, 1743436801), (157, 133256316), (197, 106199196), (314, 66628158), (394, 53099598), (471, 44418772), (591, 35399732), (628, 33314079), (788, 26549799), (942, 22209386), (1182, 17699866), (1884, 11104693), (2364, 8849933), (30929, 676428), (56369, 371148), (61858, 338214), (92787, 225476), (112738, 185574), (123716, 169107)]