20340540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10273}}^1$

素因数の和:10299

約数の個数: 72

約数和(自身を含む): 67315248

約数和(自身を除く): 46974708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10273, 20546, 30819, 41092, 51365, 61638, 92457, 102730, 113003, 123276, 154095, 184914, 205460, 226006, 308190, 339009, 369828, 452012, 462285, 565015, 616380, 678018, 924570, 1017027, 1130030, 1356036, 1695045, 1849140, 2034054, 2260060, 3390090, 4068108, 5085135, 6780180, 10170270, 20340540]

約数ペア:

[(1, 20340540), (2, 10170270), (3, 6780180), (4, 5085135), (5, 4068108), (6, 3390090), (9, 2260060), (10, 2034054), (11, 1849140), (12, 1695045), (15, 1356036), (18, 1130030), (20, 1017027), (22, 924570), (30, 678018), (33, 616380), (36, 565015), (44, 462285), (45, 452012), (55, 369828), (60, 339009), (66, 308190), (90, 226006), (99, 205460), (110, 184914), (132, 154095), (165, 123276), (180, 113003), (198, 102730), (220, 92457), (330, 61638), (396, 51365), (495, 41092), (660, 30819), (990, 20546), (1980, 10273)]