20695376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99497}}^1$

素因数の和:99518

約数の個数: 20

約数和(自身を含む): 43182132

約数和(自身を除く): 22486756

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99497, 198994, 397988, 795976, 1293461, 1591952, 2586922, 5173844, 10347688, 20695376]

約数ペア:

[(1, 20695376), (2, 10347688), (4, 5173844), (8, 2586922), (13, 1591952), (16, 1293461), (26, 795976), (52, 397988), (104, 198994), (208, 99497)]