20290864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3769

約数の個数: 40

約数和(自身を含む): 44282880

約数和(自身を除く): 23992016

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3719, 5456, 7438, 14876, 29752, 40909, 59504, 81818, 115289, 163636, 230578, 327272, 461156, 654544, 922312, 1268179, 1844624, 2536358, 5072716, 10145432, 20290864]

約数ペア:

[(1, 20290864), (2, 10145432), (4, 5072716), (8, 2536358), (11, 1844624), (16, 1268179), (22, 922312), (31, 654544), (44, 461156), (62, 327272), (88, 230578), (124, 163636), (176, 115289), (248, 81818), (341, 59504), (496, 40909), (682, 29752), (1364, 14876), (2728, 7438), (3719, 5456)]