20847180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18287}}^1$

素因数の和:18318

約数の個数: 48

約数和(自身を含む): 61447680

約数和(自身を除く): 40600500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18287, 36574, 54861, 73148, 91435, 109722, 182870, 219444, 274305, 347453, 365740, 548610, 694906, 1042359, 1097220, 1389812, 1737265, 2084718, 3474530, 4169436, 5211795, 6949060, 10423590, 20847180]

約数ペア:

[(1, 20847180), (2, 10423590), (3, 6949060), (4, 5211795), (5, 4169436), (6, 3474530), (10, 2084718), (12, 1737265), (15, 1389812), (19, 1097220), (20, 1042359), (30, 694906), (38, 548610), (57, 365740), (60, 347453), (76, 274305), (95, 219444), (114, 182870), (190, 109722), (228, 91435), (285, 73148), (380, 54861), (570, 36574), (1140, 18287)]