20795292

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 63667296

約数和(自身を除く): 42872004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 81, 84, 106, 108, 126, 159, 162, 173, 189, 212, 252, 318, 324, 346, 371, 378, 477, 519, 567, 636, 692, 742, 756, 954, 1038, 1113, 1134, 1211, 1431, 1484, 1557, 1908, 2076, 2226, 2268, 2422, 2862, 3114, 3339, 3633, 4293, 4452, 4671, 4844, 5724, 6228, 6678, 7266, 8586, 9169, 9342, 10017, 10899, 13356, 14013, 14532, 17172, 18338, 18684, 20034, 21798, 27507, 28026, 30051, 32697, 36676, 40068, 43596, 55014, 56052, 60102, 64183, 65394, 82521, 98091, 110028, 120204, 128366, 130788, 165042, 192549, 196182, 247563, 256732, 330084, 385098, 392364, 495126, 577647, 742689, 770196, 990252, 1155294, 1485378, 1732941, 2310588, 2970756, 3465882, 5198823, 6931764, 10397646, 20795292]

約数ペア:

[(1, 20795292), (2, 10397646), (3, 6931764), (4, 5198823), (6, 3465882), (7, 2970756), (9, 2310588), (12, 1732941), (14, 1485378), (18, 1155294), (21, 990252), (27, 770196), (28, 742689), (36, 577647), (42, 495126), (53, 392364), (54, 385098), (63, 330084), (81, 256732), (84, 247563), (106, 196182), (108, 192549), (126, 165042), (159, 130788), (162, 128366), (173, 120204), (189, 110028), (212, 98091), (252, 82521), (318, 65394), (324, 64183), (346, 60102), (371, 56052), (378, 55014), (477, 43596), (519, 40068), (567, 36676), (636, 32697), (692, 30051), (742, 28026), (756, 27507), (954, 21798), (1038, 20034), (1113, 18684), (1134, 18338), (1211, 17172), (1431, 14532), (1484, 14013), (1557, 13356), (1908, 10899), (2076, 10017), (2226, 9342), (2268, 9169), (2422, 8586), (2862, 7266), (3114, 6678), (3339, 6228), (3633, 5724), (4293, 4844), (4452, 4671)]