20227712985

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1\times {\mathrm{2069}}^1$

素因数の和:2743

約数の個数: 64

約数和(自身を含む): 36306144000

約数和(自身を除く): 16078431015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 521, 695, 1251, 1563, 2069, 2085, 2605, 3753, 4689, 6207, 6255, 7815, 10345, 14067, 18621, 18765, 23445, 31035, 55863, 70335, 72419, 93105, 217257, 279315, 287591, 362095, 651771, 862773, 1077949, 1086285, 1437955, 1955313, 2588319, 3233847, 3258855, 4313865, 5389745, 7764957, 9701541, 9776565, 12941595, 16169235, 29104623, 38824785, 48507705, 145523115, 149834911, 449504733, 749174555, 1348514199, 2247523665, 4045542597, 6742570995, 20227712985]

約数ペア:

[(1, 20227712985), (3, 6742570995), (5, 4045542597), (9, 2247523665), (15, 1348514199), (27, 749174555), (45, 449504733), (135, 149834911), (139, 145523115), (417, 48507705), (521, 38824785), (695, 29104623), (1251, 16169235), (1563, 12941595), (2069, 9776565), (2085, 9701541), (2605, 7764957), (3753, 5389745), (4689, 4313865), (6207, 3258855), (6255, 3233847), (7815, 2588319), (10345, 1955313), (14067, 1437955), (18621, 1086285), (18765, 1077949), (23445, 862773), (31035, 651771), (55863, 362095), (70335, 287591), (72419, 279315), (93105, 217257)]