20807841642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{27367}}^1$

素因数の和:27843

約数の個数: 64

約数和(自身を含む): 48784226304

約数和(自身を除く): 27976384662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 421, 602, 842, 903, 1263, 1806, 2526, 2947, 5894, 8841, 17682, 18103, 27367, 36206, 54309, 54734, 82101, 108618, 126721, 164202, 191569, 253442, 380163, 383138, 574707, 760326, 1149414, 1176781, 2353562, 3530343, 7060686, 8237467, 11521507, 16474934, 23043014, 24712401, 34564521, 49424802, 69129042, 80650549, 161301098, 241951647, 483903294, 495424801, 990849602, 1486274403, 2972548806, 3467973607, 6935947214, 10403920821, 20807841642]

約数ペア:

[(1, 20807841642), (2, 10403920821), (3, 6935947214), (6, 3467973607), (7, 2972548806), (14, 1486274403), (21, 990849602), (42, 495424801), (43, 483903294), (86, 241951647), (129, 161301098), (258, 80650549), (301, 69129042), (421, 49424802), (602, 34564521), (842, 24712401), (903, 23043014), (1263, 16474934), (1806, 11521507), (2526, 8237467), (2947, 7060686), (5894, 3530343), (8841, 2353562), (17682, 1176781), (18103, 1149414), (27367, 760326), (36206, 574707), (54309, 383138), (54734, 380163), (82101, 253442), (108618, 191569), (126721, 164202)]