20644998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{743}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 45211392

約数和(自身を除く): 24566394

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 421, 743, 842, 1263, 1486, 2229, 2526, 4458, 4631, 8173, 9262, 13893, 16346, 24519, 27786, 49038, 312803, 625606, 938409, 1876818, 3440833, 6881666, 10322499, 20644998]

約数ペア:

[(1, 20644998), (2, 10322499), (3, 6881666), (6, 3440833), (11, 1876818), (22, 938409), (33, 625606), (66, 312803), (421, 49038), (743, 27786), (842, 24519), (1263, 16346), (1486, 13893), (2229, 9262), (2526, 8173), (4458, 4631)]