20123486552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{972337}}^1$

素因数の和:972555

約数の個数: 32

約数和(自身を含む): 40838196000

約数和(自身を除く): 20714709448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 5174, 10348, 20696, 972337, 1944674, 3889348, 7778696, 12640381, 25280762, 50561524, 101123048, 193495063, 386990126, 773980252, 1547960504, 2515435819, 5030871638, 10061743276, 20123486552]

約数ペア:

[(1, 20123486552), (2, 10061743276), (4, 5030871638), (8, 2515435819), (13, 1547960504), (26, 773980252), (52, 386990126), (104, 193495063), (199, 101123048), (398, 50561524), (796, 25280762), (1592, 12640381), (2587, 7778696), (5174, 3889348), (10348, 1944674), (20696, 972337)]