20184156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 56085120

約数和(自身を除く): 35900964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1283, 1311, 1748, 2566, 2622, 3849, 3933, 5132, 5244, 7698, 7866, 11547, 15396, 15732, 23094, 24377, 29509, 46188, 48754, 59018, 73131, 88527, 97508, 118036, 146262, 177054, 219393, 265581, 292524, 354108, 438786, 531162, 560671, 877572, 1062324, 1121342, 1682013, 2242684, 3364026, 5046039, 6728052, 10092078, 20184156]

約数ペア:

[(1, 20184156), (2, 10092078), (3, 6728052), (4, 5046039), (6, 3364026), (9, 2242684), (12, 1682013), (18, 1121342), (19, 1062324), (23, 877572), (36, 560671), (38, 531162), (46, 438786), (57, 354108), (69, 292524), (76, 265581), (92, 219393), (114, 177054), (138, 146262), (171, 118036), (207, 97508), (228, 88527), (276, 73131), (342, 59018), (414, 48754), (437, 46188), (684, 29509), (828, 24377), (874, 23094), (1283, 15732), (1311, 15396), (1748, 11547), (2566, 7866), (2622, 7698), (3849, 5244), (3933, 5132)]