20656762

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 17128838

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 983, 1106, 1501, 1966, 3002, 6881, 10507, 13762, 18677, 21014, 37354, 77657, 130739, 155314, 261478, 543599, 1087198, 1475483, 2950966, 10328381, 20656762]

約数ペア:

[(1, 20656762), (2, 10328381), (7, 2950966), (14, 1475483), (19, 1087198), (38, 543599), (79, 261478), (133, 155314), (158, 130739), (266, 77657), (553, 37354), (983, 21014), (1106, 18677), (1501, 13762), (1966, 10507), (3002, 6881)]