20085888964

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 36000619200

約数和(自身を除く): 15914730236

約数列:

[1, 2, 4, 59, 118, 236, 331, 389, 661, 662, 778, 1322, 1324, 1556, 2644, 19529, 22951, 38999, 39058, 45902, 77998, 78116, 91804, 128759, 155996, 218791, 257129, 257518, 437582, 514258, 515036, 875164, 1028516, 7596781, 12908669, 15170611, 15193562, 25817338, 30341222, 30387124, 51634676, 60682444, 85109699, 170219398, 340438796, 5021472241, 10042944482, 20085888964]

約数ペア:

[(1, 20085888964), (2, 10042944482), (4, 5021472241), (59, 340438796), (118, 170219398), (236, 85109699), (331, 60682444), (389, 51634676), (661, 30387124), (662, 30341222), (778, 25817338), (1322, 15193562), (1324, 15170611), (1556, 12908669), (2644, 7596781), (19529, 1028516), (22951, 875164), (38999, 515036), (39058, 514258), (45902, 437582), (77998, 257518), (78116, 257129), (91804, 218791), (128759, 155996)]