20643584

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6203}}^1$

素因数の和:6232

約数の個数: 36

約数和(自身を含む): 44383416

約数和(自身を除く): 23739832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6203, 12406, 24812, 49624, 80639, 99248, 161278, 198496, 322556, 396992, 645112, 793984, 1290224, 1587968, 2580448, 5160896, 10321792, 20643584]

約数ペア:

[(1, 20643584), (2, 10321792), (4, 5160896), (8, 2580448), (13, 1587968), (16, 1290224), (26, 793984), (32, 645112), (52, 396992), (64, 322556), (104, 198496), (128, 161278), (208, 99248), (256, 80639), (416, 49624), (832, 24812), (1664, 12406), (3328, 6203)]