20670208

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6211}}^1$

素因数の和:6240

約数の個数: 36

約数和(自身を含む): 44440648

約数和(自身を除く): 23770440

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6211, 12422, 24844, 49688, 80743, 99376, 161486, 198752, 322972, 397504, 645944, 795008, 1291888, 1590016, 2583776, 5167552, 10335104, 20670208]

約数ペア:

[(1, 20670208), (2, 10335104), (4, 5167552), (8, 2583776), (13, 1590016), (16, 1291888), (26, 795008), (32, 645944), (52, 397504), (64, 322972), (104, 198752), (128, 161486), (208, 99376), (256, 80743), (416, 49688), (832, 24844), (1664, 12422), (3328, 6211)]