20154991662

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1213133}}^1$

素因数の和:1213225

約数の個数: 48

約数和(自身を含む): 47690723808

約数和(自身を除く): 27535732146

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 1213133, 2426266, 3639399, 7278798, 10918197, 15770729, 21836394, 31541458, 47312187, 86132443, 94624374, 141936561, 172264886, 258397329, 283873122, 516794658, 775191987, 1119721759, 1550383974, 2239443518, 3359165277, 6718330554, 10077495831, 20154991662]

約数ペア:

[(1, 20154991662), (2, 10077495831), (3, 6718330554), (6, 3359165277), (9, 2239443518), (13, 1550383974), (18, 1119721759), (26, 775191987), (39, 516794658), (71, 283873122), (78, 258397329), (117, 172264886), (142, 141936561), (213, 94624374), (234, 86132443), (426, 47312187), (639, 31541458), (923, 21836394), (1278, 15770729), (1846, 10918197), (2769, 7278798), (5538, 3639399), (8307, 2426266), (16614, 1213133)]