20938608

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2587

約数の個数: 80

約数和(自身を含む): 63289600

約数和(自身を除く): 42350992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2551, 2736, 4104, 5102, 7653, 8208, 10204, 15306, 20408, 22959, 30612, 40816, 45918, 48469, 61224, 68877, 91836, 96938, 122448, 137754, 145407, 183672, 193876, 275508, 290814, 367344, 387752, 436221, 551016, 581628, 775504, 872442, 1102032, 1163256, 1308663, 1744884, 2326512, 2617326, 3489768, 5234652, 6979536, 10469304, 20938608]

約数ペア:

[(1, 20938608), (2, 10469304), (3, 6979536), (4, 5234652), (6, 3489768), (8, 2617326), (9, 2326512), (12, 1744884), (16, 1308663), (18, 1163256), (19, 1102032), (24, 872442), (27, 775504), (36, 581628), (38, 551016), (48, 436221), (54, 387752), (57, 367344), (72, 290814), (76, 275508), (108, 193876), (114, 183672), (144, 145407), (152, 137754), (171, 122448), (216, 96938), (228, 91836), (304, 68877), (342, 61224), (432, 48469), (456, 45918), (513, 40816), (684, 30612), (912, 22959), (1026, 20408), (1368, 15306), (2052, 10204), (2551, 8208), (2736, 7653), (4104, 5102)]