20117196

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 57015504

約数和(自身を除く): 36898308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1373, 1628, 2442, 2746, 3663, 4119, 4884, 5492, 7326, 8238, 12357, 14652, 15103, 16476, 24714, 30206, 45309, 49428, 50801, 60412, 90618, 101602, 135927, 152403, 181236, 203204, 271854, 304806, 457209, 543708, 558811, 609612, 914418, 1117622, 1676433, 1828836, 2235244, 3352866, 5029299, 6705732, 10058598, 20117196]

約数ペア:

[(1, 20117196), (2, 10058598), (3, 6705732), (4, 5029299), (6, 3352866), (9, 2235244), (11, 1828836), (12, 1676433), (18, 1117622), (22, 914418), (33, 609612), (36, 558811), (37, 543708), (44, 457209), (66, 304806), (74, 271854), (99, 203204), (111, 181236), (132, 152403), (148, 135927), (198, 101602), (222, 90618), (333, 60412), (396, 50801), (407, 49428), (444, 45309), (666, 30206), (814, 24714), (1221, 16476), (1332, 15103), (1373, 14652), (1628, 12357), (2442, 8238), (2746, 7326), (3663, 5492), (4119, 4884)]