20052270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4547}}^1$

素因数の和:4574

約数の個数: 72

約数和(自身を含む): 60661224

約数和(自身を除く): 40608954

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4547, 9094, 13641, 22735, 27282, 31829, 40923, 45470, 63658, 68205, 81846, 95487, 136410, 159145, 190974, 204615, 222803, 286461, 318290, 409230, 445606, 477435, 572922, 668409, 954870, 1114015, 1336818, 1432305, 2005227, 2228030, 2864610, 3342045, 4010454, 6684090, 10026135, 20052270]

約数ペア:

[(1, 20052270), (2, 10026135), (3, 6684090), (5, 4010454), (6, 3342045), (7, 2864610), (9, 2228030), (10, 2005227), (14, 1432305), (15, 1336818), (18, 1114015), (21, 954870), (30, 668409), (35, 572922), (42, 477435), (45, 445606), (49, 409230), (63, 318290), (70, 286461), (90, 222803), (98, 204615), (105, 190974), (126, 159145), (147, 136410), (210, 95487), (245, 81846), (294, 68205), (315, 63658), (441, 45470), (490, 40923), (630, 31829), (735, 27282), (882, 22735), (1470, 13641), (2205, 9094), (4410, 4547)]