20717497438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1152637}}^1$

素因数の和:1152712

約数の個数: 32

約数和(自身を含む): 36515571840

約数和(自身を除く): 15798074402

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1634, 8987, 17974, 1152637, 2305274, 12679007, 21900103, 25358014, 43800206, 49563391, 99126782, 240901133, 481802266, 545197301, 941704429, 1090394602, 1883408858, 10358748719, 20717497438]

約数ペア:

[(1, 20717497438), (2, 10358748719), (11, 1883408858), (19, 1090394602), (22, 941704429), (38, 545197301), (43, 481802266), (86, 240901133), (209, 99126782), (418, 49563391), (473, 43800206), (817, 25358014), (946, 21900103), (1634, 12679007), (8987, 2305274), (17974, 1152637)]