20565545065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{67189}}^1$

素因数の和:67501

約数の個数: 32

約数和(自身を含む): 28242375840

約数和(自身を除く): 7676830775

約数列:

[1, 5, 13, 17, 65, 85, 221, 277, 1105, 1385, 3601, 4709, 18005, 23545, 61217, 67189, 306085, 335945, 873457, 1142213, 4367285, 5711065, 14848769, 18611353, 74243845, 93056765, 241947589, 316393001, 1209737945, 1581965005, 4113109013, 20565545065]

約数ペア:

[(1, 20565545065), (5, 4113109013), (13, 1581965005), (17, 1209737945), (65, 316393001), (85, 241947589), (221, 93056765), (277, 74243845), (1105, 18611353), (1385, 14848769), (3601, 5711065), (4709, 4367285), (18005, 1142213), (23545, 873457), (61217, 335945), (67189, 306085)]