20286798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 28373682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 47, 86, 94, 129, 141, 239, 258, 282, 301, 329, 478, 602, 658, 717, 903, 987, 1434, 1673, 1806, 1974, 2021, 3346, 4042, 5019, 6063, 10038, 10277, 11233, 12126, 14147, 20554, 22466, 28294, 30831, 33699, 42441, 61662, 67398, 71939, 78631, 84882, 143878, 157262, 215817, 235893, 431634, 471786, 483019, 966038, 1449057, 2898114, 3381133, 6762266, 10143399, 20286798]

約数ペア:

[(1, 20286798), (2, 10143399), (3, 6762266), (6, 3381133), (7, 2898114), (14, 1449057), (21, 966038), (42, 483019), (43, 471786), (47, 431634), (86, 235893), (94, 215817), (129, 157262), (141, 143878), (239, 84882), (258, 78631), (282, 71939), (301, 67398), (329, 61662), (478, 42441), (602, 33699), (658, 30831), (717, 28294), (903, 22466), (987, 20554), (1434, 14147), (1673, 12126), (1806, 11233), (1974, 10277), (2021, 10038), (3346, 6063), (4042, 5019)]