20030960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 29465872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 197, 205, 248, 310, 328, 394, 410, 496, 620, 656, 788, 820, 985, 1240, 1271, 1576, 1640, 1970, 2480, 2542, 3152, 3280, 3940, 5084, 6107, 6355, 7880, 8077, 10168, 12214, 12710, 15760, 16154, 20336, 24428, 25420, 30535, 32308, 40385, 48856, 50840, 61070, 64616, 80770, 97712, 101680, 122140, 129232, 161540, 244280, 250387, 323080, 488560, 500774, 646160, 1001548, 1251935, 2003096, 2503870, 4006192, 5007740, 10015480, 20030960]

約数ペア:

[(1, 20030960), (2, 10015480), (4, 5007740), (5, 4006192), (8, 2503870), (10, 2003096), (16, 1251935), (20, 1001548), (31, 646160), (40, 500774), (41, 488560), (62, 323080), (80, 250387), (82, 244280), (124, 161540), (155, 129232), (164, 122140), (197, 101680), (205, 97712), (248, 80770), (310, 64616), (328, 61070), (394, 50840), (410, 48856), (496, 40385), (620, 32308), (656, 30535), (788, 25420), (820, 24428), (985, 20336), (1240, 16154), (1271, 15760), (1576, 12710), (1640, 12214), (1970, 10168), (2480, 8077), (2542, 7880), (3152, 6355), (3280, 6107), (3940, 5084)]