20172984008

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1\times {\mathrm{863}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 39217167360

約数和(自身を除く): 19044183352

約数列:

[1, 2, 4, 8, 37, 74, 148, 157, 296, 314, 503, 628, 863, 1006, 1256, 1726, 2012, 3452, 4024, 5809, 6904, 11618, 18611, 23236, 31931, 37222, 46472, 63862, 74444, 78971, 127724, 135491, 148888, 157942, 255448, 270982, 315884, 434089, 541964, 631768, 868178, 1083928, 1736356, 2921927, 3472712, 5013167, 5843854, 10026334, 11687708, 16061293, 20052668, 23375416, 32122586, 40105336, 64245172, 68151973, 128490344, 136303946, 272607892, 545215784, 2521623001, 5043246002, 10086492004, 20172984008]

約数ペア:

[(1, 20172984008), (2, 10086492004), (4, 5043246002), (8, 2521623001), (37, 545215784), (74, 272607892), (148, 136303946), (157, 128490344), (296, 68151973), (314, 64245172), (503, 40105336), (628, 32122586), (863, 23375416), (1006, 20052668), (1256, 16061293), (1726, 11687708), (2012, 10026334), (3452, 5843854), (4024, 5013167), (5809, 3472712), (6904, 2921927), (11618, 1736356), (18611, 1083928), (23236, 868178), (31931, 631768), (37222, 541964), (46472, 434089), (63862, 315884), (74444, 270982), (78971, 255448), (127724, 157942), (135491, 148888)]