20874420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16567}}^1$

素因数の和:16589

約数の個数: 72

約数和(自身を含む): 72369024

約数和(自身を除く): 51494604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16567, 33134, 49701, 66268, 82835, 99402, 115969, 149103, 165670, 198804, 231938, 248505, 298206, 331340, 347907, 463876, 497010, 579845, 596412, 695814, 745515, 994020, 1043721, 1159690, 1391628, 1491030, 1739535, 2087442, 2319380, 2982060, 3479070, 4174884, 5218605, 6958140, 10437210, 20874420]

約数ペア:

[(1, 20874420), (2, 10437210), (3, 6958140), (4, 5218605), (5, 4174884), (6, 3479070), (7, 2982060), (9, 2319380), (10, 2087442), (12, 1739535), (14, 1491030), (15, 1391628), (18, 1159690), (20, 1043721), (21, 994020), (28, 745515), (30, 695814), (35, 596412), (36, 579845), (42, 497010), (45, 463876), (60, 347907), (63, 331340), (70, 298206), (84, 248505), (90, 231938), (105, 198804), (126, 165670), (140, 149103), (180, 115969), (210, 99402), (252, 82835), (315, 66268), (420, 49701), (630, 33134), (1260, 16567)]