20937306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6547}}^1$

素因数の和:6606

約数の個数: 32

約数和(自身を含む): 46202688

約数和(自身を除く): 25265382

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6547, 13094, 19641, 39282, 85111, 170222, 255333, 268427, 510666, 536854, 805281, 1610562, 3489551, 6979102, 10468653, 20937306]

約数ペア:

[(1, 20937306), (2, 10468653), (3, 6979102), (6, 3489551), (13, 1610562), (26, 805281), (39, 536854), (41, 510666), (78, 268427), (82, 255333), (123, 170222), (246, 85111), (533, 39282), (1066, 19641), (1599, 13094), (3198, 6547)]