20278170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20483}}^1$

素因数の和:20507

約数の個数: 48

約数和(自身を含む): 57519072

約数和(自身を除く): 37240902

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20483, 40966, 61449, 102415, 122898, 184347, 204830, 225313, 307245, 368694, 450626, 614490, 675939, 921735, 1126565, 1351878, 1843470, 2027817, 2253130, 3379695, 4055634, 6759390, 10139085, 20278170]

約数ペア:

[(1, 20278170), (2, 10139085), (3, 6759390), (5, 4055634), (6, 3379695), (9, 2253130), (10, 2027817), (11, 1843470), (15, 1351878), (18, 1126565), (22, 921735), (30, 675939), (33, 614490), (45, 450626), (55, 368694), (66, 307245), (90, 225313), (99, 204830), (110, 184347), (165, 122898), (198, 102415), (330, 61449), (495, 40966), (990, 20483)]