20020721648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2270953}}^1$

素因数の和:2271009

約数の個数: 40

約数和(自身を含む): 42239744400

約数和(自身を除く): 22219022752

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 4408, 8816, 2270953, 4541906, 9083812, 18167624, 36335248, 43148107, 65857637, 86296214, 131715274, 172592428, 263430548, 345184856, 526861096, 690369712, 1053722192, 1251295103, 2502590206, 5005180412, 10010360824, 20020721648]

約数ペア:

[(1, 20020721648), (2, 10010360824), (4, 5005180412), (8, 2502590206), (16, 1251295103), (19, 1053722192), (29, 690369712), (38, 526861096), (58, 345184856), (76, 263430548), (116, 172592428), (152, 131715274), (232, 86296214), (304, 65857637), (464, 43148107), (551, 36335248), (1102, 18167624), (2204, 9083812), (4408, 4541906), (8816, 2270953)]