20833783380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{505429}}^1$

素因数の和:505673

約数の個数: 72

約数和(自身を含む): 63471899400

約数和(自身を除く): 42638116020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6870, 8244, 10305, 13740, 20610, 41220, 505429, 1010858, 1516287, 2021716, 2527145, 3032574, 4548861, 5054290, 6065148, 7581435, 9097722, 10108580, 15162870, 18195444, 22744305, 30325740, 45488610, 90977220, 115743241, 231486482, 347229723, 462972964, 578716205, 694459446, 1041689169, 1157432410, 1388918892, 1736148615, 2083378338, 2314864820, 3472297230, 4166756676, 5208445845, 6944594460, 10416891690, 20833783380]

約数ペア:

[(1, 20833783380), (2, 10416891690), (3, 6944594460), (4, 5208445845), (5, 4166756676), (6, 3472297230), (9, 2314864820), (10, 2083378338), (12, 1736148615), (15, 1388918892), (18, 1157432410), (20, 1041689169), (30, 694459446), (36, 578716205), (45, 462972964), (60, 347229723), (90, 231486482), (180, 115743241), (229, 90977220), (458, 45488610), (687, 30325740), (916, 22744305), (1145, 18195444), (1374, 15162870), (2061, 10108580), (2290, 9097722), (2748, 7581435), (3435, 6065148), (4122, 5054290), (4580, 4548861), (6870, 3032574), (8244, 2527145), (10305, 2021716), (13740, 1516287), (20610, 1010858), (41220, 505429)]