20921285808

素因数分解:

$2^4\times 3^2\times {\mathrm{145286707}}^1$

素因数の和:145286721

約数の個数: 30

約数和(自身を含む): 58550543324

約数和(自身を除く): 37629257516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145286707, 290573414, 435860121, 581146828, 871720242, 1162293656, 1307580363, 1743440484, 2324587312, 2615160726, 3486880968, 5230321452, 6973761936, 10460642904, 20921285808]

約数ペア:

[(1, 20921285808), (2, 10460642904), (3, 6973761936), (4, 5230321452), (6, 3486880968), (8, 2615160726), (9, 2324587312), (12, 1743440484), (16, 1307580363), (18, 1162293656), (24, 871720242), (36, 581146828), (48, 435860121), (72, 290573414), (144, 145286707)]