20511736

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2333}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 44252640

約数和(自身を除く): 23740904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 2333, 4396, 4666, 8792, 9332, 16331, 18664, 32662, 65324, 130648, 366281, 732562, 1465124, 2563967, 2930248, 5127934, 10255868, 20511736]

約数ペア:

[(1, 20511736), (2, 10255868), (4, 5127934), (7, 2930248), (8, 2563967), (14, 1465124), (28, 732562), (56, 366281), (157, 130648), (314, 65324), (628, 32662), (1099, 18664), (1256, 16331), (2198, 9332), (2333, 8792), (4396, 4666)]