20218561596

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1250839}}^1$

素因数の和:1251298

約数の個数: 36

約数和(自身を含む): 51221898000

約数和(自身を除く): 31003336404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1347, 1796, 2694, 4041, 5388, 8082, 16164, 1250839, 2501678, 3752517, 5003356, 7505034, 11257551, 15010068, 22515102, 45030204, 561626711, 1123253422, 1684880133, 2246506844, 3369760266, 5054640399, 6739520532, 10109280798, 20218561596]

約数ペア:

[(1, 20218561596), (2, 10109280798), (3, 6739520532), (4, 5054640399), (6, 3369760266), (9, 2246506844), (12, 1684880133), (18, 1123253422), (36, 561626711), (449, 45030204), (898, 22515102), (1347, 15010068), (1796, 11257551), (2694, 7505034), (4041, 5003356), (5388, 3752517), (8082, 2501678), (16164, 1250839)]