20280344

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6833}}^1$

素因数の和:6899

約数の個数: 32

約数和(自身を含む): 44284320

約数和(自身を除く): 24003976

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6833, 13666, 27332, 47831, 54664, 95662, 191324, 362149, 382648, 724298, 1448596, 2535043, 2897192, 5070086, 10140172, 20280344]

約数ペア:

[(1, 20280344), (2, 10140172), (4, 5070086), (7, 2897192), (8, 2535043), (14, 1448596), (28, 724298), (53, 382648), (56, 362149), (106, 191324), (212, 95662), (371, 54664), (424, 47831), (742, 27332), (1484, 13666), (2968, 6833)]