20937438

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 48977136

約数和(自身を除く): 28039698

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 901, 954, 1291, 1802, 2582, 2703, 3873, 5406, 7746, 8109, 11619, 16218, 21947, 23238, 43894, 65841, 68423, 131682, 136846, 197523, 205269, 395046, 410538, 615807, 1163191, 1231614, 2326382, 3489573, 6979146, 10468719, 20937438]

約数ペア:

[(1, 20937438), (2, 10468719), (3, 6979146), (6, 3489573), (9, 2326382), (17, 1231614), (18, 1163191), (34, 615807), (51, 410538), (53, 395046), (102, 205269), (106, 197523), (153, 136846), (159, 131682), (306, 68423), (318, 65841), (477, 43894), (901, 23238), (954, 21947), (1291, 16218), (1802, 11619), (2582, 8109), (2703, 7746), (3873, 5406)]