20122073888

素因数分解:

$2^5\times 7^1\times {\mathrm{313}}^1\times {\mathrm{286999}}^1$

素因数の和:287329

約数の個数: 48

約数和(自身を含む): 45419472000

約数和(自身を除く): 25297398112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 313, 626, 1252, 2191, 2504, 4382, 5008, 8764, 10016, 17528, 35056, 70112, 286999, 573998, 1147996, 2008993, 2295992, 4017986, 4591984, 8035972, 9183968, 16071944, 32143888, 64287776, 89830687, 179661374, 359322748, 628814809, 718645496, 1257629618, 1437290992, 2515259236, 2874581984, 5030518472, 10061036944, 20122073888]

約数ペア:

[(1, 20122073888), (2, 10061036944), (4, 5030518472), (7, 2874581984), (8, 2515259236), (14, 1437290992), (16, 1257629618), (28, 718645496), (32, 628814809), (56, 359322748), (112, 179661374), (224, 89830687), (313, 64287776), (626, 32143888), (1252, 16071944), (2191, 9183968), (2504, 8035972), (4382, 4591984), (5008, 4017986), (8764, 2295992), (10016, 2008993), (17528, 1147996), (35056, 573998), (70112, 286999)]