20497290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 33623670

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 179, 330, 347, 358, 537, 694, 895, 1041, 1074, 1735, 1790, 1969, 2082, 2685, 3470, 3817, 3938, 5205, 5370, 5907, 7634, 9845, 10410, 11451, 11814, 19085, 19690, 22902, 29535, 38170, 57255, 59070, 62113, 114510, 124226, 186339, 310565, 372678, 621130, 683243, 931695, 1366486, 1863390, 2049729, 3416215, 4099458, 6832430, 10248645, 20497290]

約数ペア:

[(1, 20497290), (2, 10248645), (3, 6832430), (5, 4099458), (6, 3416215), (10, 2049729), (11, 1863390), (15, 1366486), (22, 931695), (30, 683243), (33, 621130), (55, 372678), (66, 310565), (110, 186339), (165, 124226), (179, 114510), (330, 62113), (347, 59070), (358, 57255), (537, 38170), (694, 29535), (895, 22902), (1041, 19690), (1074, 19085), (1735, 11814), (1790, 11451), (1969, 10410), (2082, 9845), (2685, 7634), (3470, 5907), (3817, 5370), (3938, 5205)]