20834970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 55206144

約数和(自身を除く): 34371174

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1303, 1599, 2606, 2665, 3198, 3909, 5330, 6515, 7818, 7995, 13030, 15990, 16939, 19545, 33878, 39090, 50817, 53423, 84695, 101634, 106846, 160269, 169390, 254085, 267115, 320538, 508170, 534230, 694499, 801345, 1388998, 1602690, 2083497, 3472495, 4166994, 6944990, 10417485, 20834970]

約数ペア:

[(1, 20834970), (2, 10417485), (3, 6944990), (5, 4166994), (6, 3472495), (10, 2083497), (13, 1602690), (15, 1388998), (26, 801345), (30, 694499), (39, 534230), (41, 508170), (65, 320538), (78, 267115), (82, 254085), (123, 169390), (130, 160269), (195, 106846), (205, 101634), (246, 84695), (390, 53423), (410, 50817), (533, 39090), (615, 33878), (1066, 19545), (1230, 16939), (1303, 15990), (1599, 13030), (2606, 7995), (2665, 7818), (3198, 6515), (3909, 5330)]