20866356

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3943}}^1$

素因数の和:3970

約数の個数: 72

約数和(自身を含む): 62946240

約数和(自身を除く): 42079884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3943, 5292, 7886, 11829, 15772, 23658, 27601, 35487, 47316, 55202, 70974, 82803, 106461, 110404, 141948, 165606, 193207, 212922, 248409, 331212, 386414, 425844, 496818, 579621, 745227, 772828, 993636, 1159242, 1490454, 1738863, 2318484, 2980908, 3477726, 5216589, 6955452, 10433178, 20866356]

約数ペア:

[(1, 20866356), (2, 10433178), (3, 6955452), (4, 5216589), (6, 3477726), (7, 2980908), (9, 2318484), (12, 1738863), (14, 1490454), (18, 1159242), (21, 993636), (27, 772828), (28, 745227), (36, 579621), (42, 496818), (49, 425844), (54, 386414), (63, 331212), (84, 248409), (98, 212922), (108, 193207), (126, 165606), (147, 141948), (189, 110404), (196, 106461), (252, 82803), (294, 70974), (378, 55202), (441, 47316), (588, 35487), (756, 27601), (882, 23658), (1323, 15772), (1764, 11829), (2646, 7886), (3943, 5292)]