20919456

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3823}}^1$

素因数の和:3858

約数の個数: 72

約数和(自身を含む): 62637120

約数和(自身を除く): 41717664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3823, 5472, 7646, 11469, 15292, 22938, 30584, 34407, 45876, 61168, 68814, 72637, 91752, 122336, 137628, 145274, 183504, 217911, 275256, 290548, 367008, 435822, 550512, 581096, 653733, 871644, 1101024, 1162192, 1307466, 1743288, 2324384, 2614932, 3486576, 5229864, 6973152, 10459728, 20919456]

約数ペア:

[(1, 20919456), (2, 10459728), (3, 6973152), (4, 5229864), (6, 3486576), (8, 2614932), (9, 2324384), (12, 1743288), (16, 1307466), (18, 1162192), (19, 1101024), (24, 871644), (32, 653733), (36, 581096), (38, 550512), (48, 435822), (57, 367008), (72, 290548), (76, 275256), (96, 217911), (114, 183504), (144, 145274), (152, 137628), (171, 122336), (228, 91752), (288, 72637), (304, 68814), (342, 61168), (456, 45876), (608, 34407), (684, 30584), (912, 22938), (1368, 15292), (1824, 11469), (2736, 7646), (3823, 5472)]