20199784854

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1\times {\mathrm{971}}^1$

素因数の和:1653

約数の個数: 64

約数和(自身を含む): 41550340608

約数和(自身を除く): 21350555754

約数列:

[1, 2, 3, 6, 61, 113, 122, 183, 226, 339, 366, 503, 678, 971, 1006, 1509, 1942, 2913, 3018, 5826, 6893, 13786, 20679, 30683, 41358, 56839, 59231, 61366, 92049, 109723, 113678, 118462, 170517, 177693, 184098, 219446, 329169, 341034, 355386, 488413, 658338, 976826, 1465239, 2930478, 3467179, 6693103, 6934358, 10401537, 13386206, 20079309, 20803074, 29793193, 40158618, 55190669, 59586386, 89379579, 110381338, 165572007, 178759158, 331144014, 3366630809, 6733261618, 10099892427, 20199784854]

約数ペア:

[(1, 20199784854), (2, 10099892427), (3, 6733261618), (6, 3366630809), (61, 331144014), (113, 178759158), (122, 165572007), (183, 110381338), (226, 89379579), (339, 59586386), (366, 55190669), (503, 40158618), (678, 29793193), (971, 20803074), (1006, 20079309), (1509, 13386206), (1942, 10401537), (2913, 6934358), (3018, 6693103), (5826, 3467179), (6893, 2930478), (13786, 1465239), (20679, 976826), (30683, 658338), (41358, 488413), (56839, 355386), (59231, 341034), (61366, 329169), (92049, 219446), (109723, 184098), (113678, 177693), (118462, 170517)]