20180855295

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{28643}}^1$

素因数の和:28981

約数の個数: 64

約数和(自身を含む): 38112560640

約数和(自身を除く): 17931705345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 307, 459, 765, 921, 1535, 2295, 2763, 4605, 5219, 8289, 13815, 15657, 26095, 28643, 41445, 46971, 78285, 85929, 140913, 143215, 234855, 257787, 429645, 486931, 704565, 773361, 1288935, 1460793, 2434655, 3866805, 4382379, 7303965, 8793401, 13147137, 21911895, 26380203, 43967005, 65735685, 79140609, 131901015, 149487817, 237421827, 395703045, 448463451, 747439085, 1187109135, 1345390353, 2242317255, 4036171059, 6726951765, 20180855295]

約数ペア:

[(1, 20180855295), (3, 6726951765), (5, 4036171059), (9, 2242317255), (15, 1345390353), (17, 1187109135), (27, 747439085), (45, 448463451), (51, 395703045), (85, 237421827), (135, 149487817), (153, 131901015), (255, 79140609), (307, 65735685), (459, 43967005), (765, 26380203), (921, 21911895), (1535, 13147137), (2295, 8793401), (2763, 7303965), (4605, 4382379), (5219, 3866805), (8289, 2434655), (13815, 1460793), (15657, 1288935), (26095, 773361), (28643, 704565), (41445, 486931), (46971, 429645), (78285, 257787), (85929, 234855), (140913, 143215)]