20974382

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 17233858

約数列:

[1, 2, 11, 13, 22, 26, 59, 113, 118, 121, 143, 226, 242, 286, 649, 767, 1243, 1298, 1469, 1534, 1573, 2486, 2938, 3146, 6667, 7139, 8437, 13334, 13673, 14278, 16159, 16874, 27346, 32318, 73337, 86671, 92807, 146674, 173342, 177749, 185614, 355498, 806707, 953381, 1613414, 1906762, 10487191, 20974382]

約数ペア:

[(1, 20974382), (2, 10487191), (11, 1906762), (13, 1613414), (22, 953381), (26, 806707), (59, 355498), (113, 185614), (118, 177749), (121, 173342), (143, 146674), (226, 92807), (242, 86671), (286, 73337), (649, 32318), (767, 27346), (1243, 16874), (1298, 16159), (1469, 14278), (1534, 13673), (1573, 13334), (2486, 8437), (2938, 7139), (3146, 6667)]