20994270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 55551744

約数和(自身を除く): 34557474

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 113, 165, 226, 330, 339, 563, 565, 678, 1126, 1130, 1243, 1689, 1695, 2486, 2815, 3378, 3390, 3729, 5630, 6193, 6215, 7458, 8445, 12386, 12430, 16890, 18579, 18645, 30965, 37158, 37290, 61930, 63619, 92895, 127238, 185790, 190857, 318095, 381714, 636190, 699809, 954285, 1399618, 1908570, 2099427, 3499045, 4198854, 6998090, 10497135, 20994270]

約数ペア:

[(1, 20994270), (2, 10497135), (3, 6998090), (5, 4198854), (6, 3499045), (10, 2099427), (11, 1908570), (15, 1399618), (22, 954285), (30, 699809), (33, 636190), (55, 381714), (66, 318095), (110, 190857), (113, 185790), (165, 127238), (226, 92895), (330, 63619), (339, 61930), (563, 37290), (565, 37158), (678, 30965), (1126, 18645), (1130, 18579), (1243, 16890), (1689, 12430), (1695, 12386), (2486, 8445), (2815, 7458), (3378, 6215), (3390, 6193), (3729, 5630)]