20198991036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7756909}}^1$

素因数の和:7756954

約数の個数: 48

約数和(自身を含む): 55601530880

約数和(自身を除く): 35402539844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7756909, 15513818, 23270727, 31027636, 46541454, 54298363, 93082908, 108596726, 162895089, 217193452, 240464179, 325790178, 480928358, 651580356, 721392537, 961856716, 1442785074, 1683249253, 2885570148, 3366498506, 5049747759, 6732997012, 10099495518, 20198991036]

約数ペア:

[(1, 20198991036), (2, 10099495518), (3, 6732997012), (4, 5049747759), (6, 3366498506), (7, 2885570148), (12, 1683249253), (14, 1442785074), (21, 961856716), (28, 721392537), (31, 651580356), (42, 480928358), (62, 325790178), (84, 240464179), (93, 217193452), (124, 162895089), (186, 108596726), (217, 93082908), (372, 54298363), (434, 46541454), (651, 31027636), (868, 23270727), (1302, 15513818), (2604, 7756909)]