20288304

素因数分解:

$2^4\times 3^2\times {\mathrm{140891}}^1$

素因数の和:140905

約数の個数: 30

約数和(自身を含む): 56779476

約数和(自身を除く): 36491172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140891, 281782, 422673, 563564, 845346, 1127128, 1268019, 1690692, 2254256, 2536038, 3381384, 5072076, 6762768, 10144152, 20288304]

約数ペア:

[(1, 20288304), (2, 10144152), (3, 6762768), (4, 5072076), (6, 3381384), (8, 2536038), (9, 2254256), (12, 1690692), (16, 1268019), (18, 1127128), (24, 845346), (36, 563564), (48, 422673), (72, 281782), (144, 140891)]