20955144

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 61888320

約数和(自身を除く): 40933176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 103, 147, 168, 173, 196, 206, 294, 309, 346, 392, 412, 519, 588, 618, 692, 721, 824, 1038, 1176, 1211, 1236, 1384, 1442, 2076, 2163, 2422, 2472, 2884, 3633, 4152, 4326, 4844, 5047, 5768, 7266, 8477, 8652, 9688, 10094, 14532, 15141, 16954, 17304, 17819, 20188, 25431, 29064, 30282, 33908, 35638, 40376, 50862, 53457, 60564, 67816, 71276, 101724, 106914, 121128, 124733, 142552, 203448, 213828, 249466, 374199, 427656, 498932, 748398, 873131, 997864, 1496796, 1746262, 2619393, 2993592, 3492524, 5238786, 6985048, 10477572, 20955144]

約数ペア:

[(1, 20955144), (2, 10477572), (3, 6985048), (4, 5238786), (6, 3492524), (7, 2993592), (8, 2619393), (12, 1746262), (14, 1496796), (21, 997864), (24, 873131), (28, 748398), (42, 498932), (49, 427656), (56, 374199), (84, 249466), (98, 213828), (103, 203448), (147, 142552), (168, 124733), (173, 121128), (196, 106914), (206, 101724), (294, 71276), (309, 67816), (346, 60564), (392, 53457), (412, 50862), (519, 40376), (588, 35638), (618, 33908), (692, 30282), (721, 29064), (824, 25431), (1038, 20188), (1176, 17819), (1211, 17304), (1236, 16954), (1384, 15141), (1442, 14532), (2076, 10094), (2163, 9688), (2422, 8652), (2472, 8477), (2884, 7266), (3633, 5768), (4152, 5047), (4326, 4844)]