20916144

素因数分解:

$2^4\times 3^4\times {\mathrm{16139}}^1$

素因数の和:16159

約数の個数: 50

約数和(自身を含む): 60541140

約数和(自身を除く): 39624996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16139, 32278, 48417, 64556, 96834, 129112, 145251, 193668, 258224, 290502, 387336, 435753, 581004, 774672, 871506, 1162008, 1307259, 1743012, 2324016, 2614518, 3486024, 5229036, 6972048, 10458072, 20916144]

約数ペア:

[(1, 20916144), (2, 10458072), (3, 6972048), (4, 5229036), (6, 3486024), (8, 2614518), (9, 2324016), (12, 1743012), (16, 1307259), (18, 1162008), (24, 871506), (27, 774672), (36, 581004), (48, 435753), (54, 387336), (72, 290502), (81, 258224), (108, 193668), (144, 145251), (162, 129112), (216, 96834), (324, 64556), (432, 48417), (648, 32278), (1296, 16139)]