20551936720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{275939}}^1$

素因数の和:275985

約数の個数: 120

約数和(自身を含む): 58510317600

約数和(自身を除く): 37958380880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4655, 5320, 7448, 9310, 10640, 14896, 18620, 37240, 74480, 275939, 551878, 1103756, 1379695, 1931573, 2207512, 2759390, 3863146, 4415024, 5242841, 5518780, 7726292, 9657865, 10485682, 11037560, 13521011, 15452584, 19315730, 20971364, 22075120, 26214205, 27042022, 30905168, 36699887, 38631460, 41942728, 52428410, 54084044, 67605055, 73399774, 77262920, 83885456, 104856820, 108168088, 135210110, 146799548, 154525840, 183499435, 209713640, 216336176, 256899209, 270420220, 293599096, 366998870, 419427280, 513798418, 540840440, 587198192, 733997740, 1027596836, 1081680880, 1284496045, 1467995480, 2055193672, 2568992090, 2935990960, 4110387344, 5137984180, 10275968360, 20551936720]

約数ペア:

[(1, 20551936720), (2, 10275968360), (4, 5137984180), (5, 4110387344), (7, 2935990960), (8, 2568992090), (10, 2055193672), (14, 1467995480), (16, 1284496045), (19, 1081680880), (20, 1027596836), (28, 733997740), (35, 587198192), (38, 540840440), (40, 513798418), (49, 419427280), (56, 366998870), (70, 293599096), (76, 270420220), (80, 256899209), (95, 216336176), (98, 209713640), (112, 183499435), (133, 154525840), (140, 146799548), (152, 135210110), (190, 108168088), (196, 104856820), (245, 83885456), (266, 77262920), (280, 73399774), (304, 67605055), (380, 54084044), (392, 52428410), (490, 41942728), (532, 38631460), (560, 36699887), (665, 30905168), (760, 27042022), (784, 26214205), (931, 22075120), (980, 20971364), (1064, 19315730), (1330, 15452584), (1520, 13521011), (1862, 11037560), (1960, 10485682), (2128, 9657865), (2660, 7726292), (3724, 5518780), (3920, 5242841), (4655, 4415024), (5320, 3863146), (7448, 2759390), (9310, 2207512), (10640, 1931573), (14896, 1379695), (18620, 1103756), (37240, 551878), (74480, 275939)]