20281504992

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{68749}}^1$

素因数の和:69208

約数の個数: 96

約数和(自身を含む): 60984000000

約数和(自身を除く): 40702495008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 439, 672, 878, 1317, 1756, 2634, 3073, 3512, 5268, 6146, 7024, 9219, 10536, 12292, 14048, 18438, 21072, 24584, 36876, 42144, 49168, 68749, 73752, 98336, 137498, 147504, 206247, 274996, 295008, 412494, 481243, 549992, 824988, 962486, 1099984, 1443729, 1649976, 1924972, 2199968, 2887458, 3299952, 3849944, 5774916, 6599904, 7699888, 11549832, 15399776, 23099664, 30180811, 46199328, 60361622, 90542433, 120723244, 181084866, 211265677, 241446488, 362169732, 422531354, 482892976, 633797031, 724339464, 845062708, 965785952, 1267594062, 1448678928, 1690125416, 2535188124, 2897357856, 3380250832, 5070376248, 6760501664, 10140752496, 20281504992]

約数ペア:

[(1, 20281504992), (2, 10140752496), (3, 6760501664), (4, 5070376248), (6, 3380250832), (7, 2897357856), (8, 2535188124), (12, 1690125416), (14, 1448678928), (16, 1267594062), (21, 965785952), (24, 845062708), (28, 724339464), (32, 633797031), (42, 482892976), (48, 422531354), (56, 362169732), (84, 241446488), (96, 211265677), (112, 181084866), (168, 120723244), (224, 90542433), (336, 60361622), (439, 46199328), (672, 30180811), (878, 23099664), (1317, 15399776), (1756, 11549832), (2634, 7699888), (3073, 6599904), (3512, 5774916), (5268, 3849944), (6146, 3299952), (7024, 2887458), (9219, 2199968), (10536, 1924972), (12292, 1649976), (14048, 1443729), (18438, 1099984), (21072, 962486), (24584, 824988), (36876, 549992), (42144, 481243), (49168, 412494), (68749, 295008), (73752, 274996), (98336, 206247), (137498, 147504)]