20342895664

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1995967}}^1$

素因数の和:1996002

約数の個数: 60

約数和(自身を含む): 49376256384

約数和(自身を除く): 29033360720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 1995967, 3991934, 7983868, 13971769, 15967736, 25947571, 27943538, 31935472, 51895142, 55887076, 97802383, 103790284, 111774152, 181632997, 195604766, 207580568, 223548304, 363265994, 391209532, 415161136, 726531988, 782419064, 1271430979, 1453063976, 1564838128, 2542861958, 2906127952, 5085723916, 10171447832, 20342895664]

約数ペア:

[(1, 20342895664), (2, 10171447832), (4, 5085723916), (7, 2906127952), (8, 2542861958), (13, 1564838128), (14, 1453063976), (16, 1271430979), (26, 782419064), (28, 726531988), (49, 415161136), (52, 391209532), (56, 363265994), (91, 223548304), (98, 207580568), (104, 195604766), (112, 181632997), (182, 111774152), (196, 103790284), (208, 97802383), (364, 55887076), (392, 51895142), (637, 31935472), (728, 27943538), (784, 25947571), (1274, 15967736), (1456, 13971769), (2548, 7983868), (5096, 3991934), (10192, 1995967)]