20819656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18199}}^1$

素因数の和:18229

約数の個数: 32

約数和(自身を含む): 45864000

約数和(自身を除く): 25044344

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18199, 36398, 72796, 145592, 200189, 236587, 400378, 473174, 800756, 946348, 1601512, 1892696, 2602457, 5204914, 10409828, 20819656]

約数ペア:

[(1, 20819656), (2, 10409828), (4, 5204914), (8, 2602457), (11, 1892696), (13, 1601512), (22, 946348), (26, 800756), (44, 473174), (52, 400378), (88, 236587), (104, 200189), (143, 145592), (286, 72796), (572, 36398), (1144, 18199)]