20059380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 68819520

約数和(自身を除く): 48760140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 307, 330, 363, 396, 484, 495, 540, 594, 605, 614, 660, 726, 921, 990, 1089, 1188, 1210, 1228, 1452, 1485, 1535, 1815, 1842, 1980, 2178, 2420, 2763, 2970, 3070, 3267, 3377, 3630, 3684, 4356, 4605, 5445, 5526, 5940, 6140, 6534, 6754, 7260, 8289, 9210, 10131, 10890, 11052, 13068, 13508, 13815, 16335, 16578, 16885, 18420, 20262, 21780, 27630, 30393, 32670, 33156, 33770, 37147, 40524, 41445, 50655, 55260, 60786, 65340, 67540, 74294, 82890, 91179, 101310, 111441, 121572, 148588, 151965, 165780, 182358, 185735, 202620, 222882, 303930, 334323, 364716, 371470, 445764, 455895, 557205, 607860, 668646, 742940, 911790, 1002969, 1114410, 1337292, 1671615, 1823580, 2005938, 2228820, 3343230, 4011876, 5014845, 6686460, 10029690, 20059380]

約数ペア:

[(1, 20059380), (2, 10029690), (3, 6686460), (4, 5014845), (5, 4011876), (6, 3343230), (9, 2228820), (10, 2005938), (11, 1823580), (12, 1671615), (15, 1337292), (18, 1114410), (20, 1002969), (22, 911790), (27, 742940), (30, 668646), (33, 607860), (36, 557205), (44, 455895), (45, 445764), (54, 371470), (55, 364716), (60, 334323), (66, 303930), (90, 222882), (99, 202620), (108, 185735), (110, 182358), (121, 165780), (132, 151965), (135, 148588), (165, 121572), (180, 111441), (198, 101310), (220, 91179), (242, 82890), (270, 74294), (297, 67540), (307, 65340), (330, 60786), (363, 55260), (396, 50655), (484, 41445), (495, 40524), (540, 37147), (594, 33770), (605, 33156), (614, 32670), (660, 30393), (726, 27630), (921, 21780), (990, 20262), (1089, 18420), (1188, 16885), (1210, 16578), (1228, 16335), (1452, 13815), (1485, 13508), (1535, 13068), (1815, 11052), (1842, 10890), (1980, 10131), (2178, 9210), (2420, 8289), (2763, 7260), (2970, 6754), (3070, 6534), (3267, 6140), (3377, 5940), (3630, 5526), (3684, 5445), (4356, 4605)]