20908512

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3821}}^1$

素因数の和:3856

約数の個数: 72

約数和(自身を含む): 62604360

約数和(自身を除く): 41695848

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, 3821, 5472, 7642, 11463, 15284, 22926, 30568, 34389, 45852, 61136, 68778, 72599, 91704, 122272, 137556, 145198, 183408, 217797, 275112, 290396, 366816, 435594, 550224, 580792, 653391, 871188, 1100448, 1161584, 1306782, 1742376, 2323168, 2613564, 3484752, 5227128, 6969504, 10454256, 20908512]

約数ペア:

[(1, 20908512), (2, 10454256), (3, 6969504), (4, 5227128), (6, 3484752), (8, 2613564), (9, 2323168), (12, 1742376), (16, 1306782), (18, 1161584), (19, 1100448), (24, 871188), (32, 653391), (36, 580792), (38, 550224), (48, 435594), (57, 366816), (72, 290396), (76, 275112), (96, 217797), (114, 183408), (144, 145198), (152, 137556), (171, 122272), (228, 91704), (288, 72599), (304, 68778), (342, 61136), (456, 45852), (608, 34389), (684, 30568), (912, 22926), (1368, 15284), (1824, 11463), (2736, 7642), (3821, 5472)]