20416260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17909}}^1$

素因数の和:17940

約数の個数: 48

約数和(自身を含む): 60177600

約数和(自身を除く): 39761340

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, 17909, 35818, 53727, 71636, 89545, 107454, 179090, 214908, 268635, 340271, 358180, 537270, 680542, 1020813, 1074540, 1361084, 1701355, 2041626, 3402710, 4083252, 5104065, 6805420, 10208130, 20416260]

約数ペア:

[(1, 20416260), (2, 10208130), (3, 6805420), (4, 5104065), (5, 4083252), (6, 3402710), (10, 2041626), (12, 1701355), (15, 1361084), (19, 1074540), (20, 1020813), (30, 680542), (38, 537270), (57, 358180), (60, 340271), (76, 268635), (95, 214908), (114, 179090), (190, 107454), (228, 89545), (285, 71636), (380, 53727), (570, 35818), (1140, 17909)]