20105609525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{4903}}^1$

素因数の和:5118

約数の個数: 48

約数和(自身を含む): 26817033600

約数和(自身を除く): 6711424075

約数列:

[1, 5, 19, 25, 89, 95, 97, 445, 475, 485, 1691, 1843, 2225, 2425, 4903, 8455, 8633, 9215, 24515, 42275, 43165, 46075, 93157, 122575, 164027, 215825, 436367, 465785, 475591, 820135, 2181835, 2328925, 2377955, 4100675, 8290973, 9036229, 10909175, 11889775, 41454865, 42327599, 45181145, 207274325, 211637995, 225905725, 804224381, 1058189975, 4021121905, 20105609525]

約数ペア:

[(1, 20105609525), (5, 4021121905), (19, 1058189975), (25, 804224381), (89, 225905725), (95, 211637995), (97, 207274325), (445, 45181145), (475, 42327599), (485, 41454865), (1691, 11889775), (1843, 10909175), (2225, 9036229), (2425, 8290973), (4903, 4100675), (8455, 2377955), (8633, 2328925), (9215, 2181835), (24515, 820135), (42275, 475591), (43165, 465785), (46075, 436367), (93157, 215825), (122575, 164027)]