20853250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7583}}^1$

素因数の和:7611

約数の個数: 32

約数和(自身を含む): 42591744

約数和(自身を除く): 21738494

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7583, 15166, 37915, 75830, 83413, 166826, 189575, 379150, 417065, 834130, 947875, 1895750, 2085325, 4170650, 10426625, 20853250]

約数ペア:

[(1, 20853250), (2, 10426625), (5, 4170650), (10, 2085325), (11, 1895750), (22, 947875), (25, 834130), (50, 417065), (55, 379150), (110, 189575), (125, 166826), (250, 83413), (275, 75830), (550, 37915), (1375, 15166), (2750, 7583)]