20328252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 58490880

約数和(自身を除く): 38162628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 47, 57, 76, 84, 94, 114, 133, 141, 188, 228, 266, 271, 282, 329, 399, 532, 542, 564, 658, 798, 813, 893, 987, 1084, 1316, 1596, 1626, 1786, 1897, 1974, 2679, 3252, 3572, 3794, 3948, 5149, 5358, 5691, 6251, 7588, 10298, 10716, 11382, 12502, 12737, 15447, 18753, 20596, 22764, 25004, 25474, 30894, 36043, 37506, 38211, 50948, 61788, 72086, 75012, 76422, 89159, 108129, 144172, 152844, 178318, 216258, 242003, 267477, 356636, 432516, 484006, 534954, 726009, 968012, 1069908, 1452018, 1694021, 2904036, 3388042, 5082063, 6776084, 10164126, 20328252]

約数ペア:

[(1, 20328252), (2, 10164126), (3, 6776084), (4, 5082063), (6, 3388042), (7, 2904036), (12, 1694021), (14, 1452018), (19, 1069908), (21, 968012), (28, 726009), (38, 534954), (42, 484006), (47, 432516), (57, 356636), (76, 267477), (84, 242003), (94, 216258), (114, 178318), (133, 152844), (141, 144172), (188, 108129), (228, 89159), (266, 76422), (271, 75012), (282, 72086), (329, 61788), (399, 50948), (532, 38211), (542, 37506), (564, 36043), (658, 30894), (798, 25474), (813, 25004), (893, 22764), (987, 20596), (1084, 18753), (1316, 15447), (1596, 12737), (1626, 12502), (1786, 11382), (1897, 10716), (1974, 10298), (2679, 7588), (3252, 6251), (3572, 5691), (3794, 5358), (3948, 5149)]