921535220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{351731}}^1$

素因数の和:351871

約数の個数: 24

約数和(自身を含む): 1950002208

約数和(自身を除く): 1028466988

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 351731, 703462, 1406924, 1758655, 3517310, 7034620, 46076761, 92153522, 184307044, 230383805, 460767610, 921535220]

約数ペア:

[(1, 921535220), (2, 460767610), (4, 230383805), (5, 184307044), (10, 92153522), (20, 46076761), (131, 7034620), (262, 3517310), (524, 1758655), (655, 1406924), (1310, 703462), (2620, 351731)]