20784433974

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{1481}}^1$

素因数の和:2257

約数の個数: 64

約数和(自身を含む): 43157499840

約数和(自身を除く): 22373065866

約数列:

[1, 2, 3, 6, 41, 82, 89, 123, 178, 246, 267, 534, 641, 1282, 1481, 1923, 2962, 3649, 3846, 4443, 7298, 8886, 10947, 21894, 26281, 52562, 57049, 60721, 78843, 114098, 121442, 131809, 157686, 171147, 182163, 263618, 342294, 364326, 395427, 790854, 949321, 1898642, 2339009, 2847963, 4678018, 5404169, 5695926, 7017027, 10808338, 14034054, 16212507, 32425014, 38922161, 77844322, 84489569, 116766483, 168979138, 233532966, 253468707, 506937414, 3464072329, 6928144658, 10392216987, 20784433974]

約数ペア:

[(1, 20784433974), (2, 10392216987), (3, 6928144658), (6, 3464072329), (41, 506937414), (82, 253468707), (89, 233532966), (123, 168979138), (178, 116766483), (246, 84489569), (267, 77844322), (534, 38922161), (641, 32425014), (1282, 16212507), (1481, 14034054), (1923, 10808338), (2962, 7017027), (3649, 5695926), (3846, 5404169), (4443, 4678018), (7298, 2847963), (8886, 2339009), (10947, 1898642), (21894, 949321), (26281, 790854), (52562, 395427), (57049, 364326), (60721, 342294), (78843, 263618), (114098, 182163), (121442, 171147), (131809, 157686)]