20243056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3917}}^1$

素因数の和:3961

約数の個数: 40

約数和(自身を含む): 43724880

約数和(自身を除く): 23481824

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3917, 5168, 7834, 15668, 31336, 62672, 66589, 74423, 133178, 148846, 266356, 297692, 532712, 595384, 1065424, 1190768, 1265191, 2530382, 5060764, 10121528, 20243056]

約数ペア:

[(1, 20243056), (2, 10121528), (4, 5060764), (8, 2530382), (16, 1265191), (17, 1190768), (19, 1065424), (34, 595384), (38, 532712), (68, 297692), (76, 266356), (136, 148846), (152, 133178), (272, 74423), (304, 66589), (323, 62672), (646, 31336), (1292, 15668), (2584, 7834), (3917, 5168)]