20686380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2411}}^1$

素因数の和:2447

約数の個数: 96

約数和(自身を含む): 68076288

約数和(自身を除く): 47389908

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2411, 2860, 4290, 4822, 7233, 8580, 9644, 12055, 14466, 24110, 26521, 28932, 31343, 36165, 48220, 53042, 62686, 72330, 79563, 94029, 106084, 125372, 132605, 144660, 156715, 159126, 188058, 265210, 313430, 318252, 344773, 376116, 397815, 470145, 530420, 626860, 689546, 795630, 940290, 1034319, 1379092, 1591260, 1723865, 1880580, 2068638, 3447730, 4137276, 5171595, 6895460, 10343190, 20686380]

約数ペア:

[(1, 20686380), (2, 10343190), (3, 6895460), (4, 5171595), (5, 4137276), (6, 3447730), (10, 2068638), (11, 1880580), (12, 1723865), (13, 1591260), (15, 1379092), (20, 1034319), (22, 940290), (26, 795630), (30, 689546), (33, 626860), (39, 530420), (44, 470145), (52, 397815), (55, 376116), (60, 344773), (65, 318252), (66, 313430), (78, 265210), (110, 188058), (130, 159126), (132, 156715), (143, 144660), (156, 132605), (165, 125372), (195, 106084), (220, 94029), (260, 79563), (286, 72330), (330, 62686), (390, 53042), (429, 48220), (572, 36165), (660, 31343), (715, 28932), (780, 26521), (858, 24110), (1430, 14466), (1716, 12055), (2145, 9644), (2411, 8580), (2860, 7233), (4290, 4822)]