20766112

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 44089920

約数和(自身を除く): 23323808

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 68, 118, 136, 236, 272, 472, 544, 647, 944, 1003, 1294, 1888, 2006, 2588, 4012, 5176, 8024, 10352, 10999, 16048, 20704, 21998, 32096, 38173, 43996, 76346, 87992, 152692, 175984, 305384, 351968, 610768, 648941, 1221536, 1297882, 2595764, 5191528, 10383056, 20766112]

約数ペア:

[(1, 20766112), (2, 10383056), (4, 5191528), (8, 2595764), (16, 1297882), (17, 1221536), (32, 648941), (34, 610768), (59, 351968), (68, 305384), (118, 175984), (136, 152692), (236, 87992), (272, 76346), (472, 43996), (544, 38173), (647, 32096), (944, 21998), (1003, 20704), (1294, 16048), (1888, 10999), (2006, 10352), (2588, 8024), (4012, 5176)]