20150722904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{9377}}^1\times {\mathrm{20663}}^1$

素因数の和:30059

約数の個数: 32

約数和(自身を含む): 40695268320

約数和(自身を除く): 20544545416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 9377, 18754, 20663, 37508, 41326, 75016, 82652, 121901, 165304, 243802, 268619, 487604, 537238, 975208, 1074476, 2148952, 193756951, 387513902, 775027804, 1550055608, 2518840363, 5037680726, 10075361452, 20150722904]

約数ペア:

[(1, 20150722904), (2, 10075361452), (4, 5037680726), (8, 2518840363), (13, 1550055608), (26, 775027804), (52, 387513902), (104, 193756951), (9377, 2148952), (18754, 1074476), (20663, 975208), (37508, 537238), (41326, 487604), (75016, 268619), (82652, 243802), (121901, 165304)]