20200544

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 72

約数和(自身を含む): 49871808

約数和(自身を除く): 29671264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 991, 1274, 1456, 1568, 1982, 2548, 2912, 3964, 5096, 6937, 7928, 10192, 12883, 13874, 15856, 20384, 25766, 27748, 31712, 48559, 51532, 55496, 90181, 97118, 103064, 110992, 180362, 194236, 206128, 221984, 360724, 388472, 412256, 631267, 721448, 776944, 1262534, 1442896, 1553888, 2525068, 2885792, 5050136, 10100272, 20200544]

約数ペア:

[(1, 20200544), (2, 10100272), (4, 5050136), (7, 2885792), (8, 2525068), (13, 1553888), (14, 1442896), (16, 1262534), (26, 776944), (28, 721448), (32, 631267), (49, 412256), (52, 388472), (56, 360724), (91, 221984), (98, 206128), (104, 194236), (112, 180362), (182, 110992), (196, 103064), (208, 97118), (224, 90181), (364, 55496), (392, 51532), (416, 48559), (637, 31712), (728, 27748), (784, 25766), (991, 20384), (1274, 15856), (1456, 13874), (1568, 12883), (1982, 10192), (2548, 7928), (2912, 6937), (3964, 5096)]