20996987192

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{75679}}^1$

素因数の和:76203

約数の個数: 32

約数和(自身を含む): 39959040000

約数和(自身を除く): 18962052808

約数列:

[1, 2, 4, 8, 79, 158, 316, 439, 632, 878, 1756, 3512, 34681, 69362, 75679, 138724, 151358, 277448, 302716, 605432, 5978641, 11957282, 23914564, 33223081, 47829128, 66446162, 132892324, 265784648, 2624623399, 5249246798, 10498493596, 20996987192]

約数ペア:

[(1, 20996987192), (2, 10498493596), (4, 5249246798), (8, 2624623399), (79, 265784648), (158, 132892324), (316, 66446162), (439, 47829128), (632, 33223081), (878, 23914564), (1756, 11957282), (3512, 5978641), (34681, 605432), (69362, 302716), (75679, 277448), (138724, 151358)]