20199963112

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{16811}}^1$

素因数の和:17366

約数の個数: 64

約数和(自身を含む): 44383680000

約数和(自身を除く): 24183716888

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 499, 602, 998, 1204, 1996, 2408, 3493, 3992, 6986, 13972, 16811, 21457, 27944, 33622, 42914, 67244, 85828, 117677, 134488, 150199, 171656, 235354, 300398, 470708, 600796, 722873, 941416, 1201592, 1445746, 2891492, 5060111, 5782984, 8388689, 10120222, 16777378, 20240444, 33554756, 40480888, 58720823, 67109512, 117441646, 234883292, 360713627, 469766584, 721427254, 1442854508, 2524995389, 2885709016, 5049990778, 10099981556, 20199963112]

約数ペア:

[(1, 20199963112), (2, 10099981556), (4, 5049990778), (7, 2885709016), (8, 2524995389), (14, 1442854508), (28, 721427254), (43, 469766584), (56, 360713627), (86, 234883292), (172, 117441646), (301, 67109512), (344, 58720823), (499, 40480888), (602, 33554756), (998, 20240444), (1204, 16777378), (1996, 10120222), (2408, 8388689), (3493, 5782984), (3992, 5060111), (6986, 2891492), (13972, 1445746), (16811, 1201592), (21457, 941416), (27944, 722873), (33622, 600796), (42914, 470708), (67244, 300398), (85828, 235354), (117677, 171656), (134488, 150199)]