20742210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4519}}^1$

素因数の和:4552

約数の個数: 64

約数和(自身を含む): 58579200

約数和(自身を除く): 37836990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4519, 4590, 9038, 13557, 22595, 27114, 40671, 45190, 67785, 76823, 81342, 122013, 135570, 153646, 203355, 230469, 244026, 384115, 406710, 460938, 610065, 691407, 768230, 1152345, 1220130, 1382814, 2074221, 2304690, 3457035, 4148442, 6914070, 10371105, 20742210]

約数ペア:

[(1, 20742210), (2, 10371105), (3, 6914070), (5, 4148442), (6, 3457035), (9, 2304690), (10, 2074221), (15, 1382814), (17, 1220130), (18, 1152345), (27, 768230), (30, 691407), (34, 610065), (45, 460938), (51, 406710), (54, 384115), (85, 244026), (90, 230469), (102, 203355), (135, 153646), (153, 135570), (170, 122013), (255, 81342), (270, 76823), (306, 67785), (459, 45190), (510, 40671), (765, 27114), (918, 22595), (1530, 13557), (2295, 9038), (4519, 4590)]