20199521655

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1\times {\mathrm{5399}}^1$

素因数の和:6652

約数の個数: 48

約数和(自身を含む): 35542540800

約数和(自身を除く): 15343019145

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 1171, 3195, 3513, 5399, 5855, 10539, 16197, 17565, 26995, 48591, 52695, 80985, 83141, 242955, 249423, 383329, 415705, 748269, 1149987, 1247115, 1916645, 3449961, 3741345, 5749935, 6322229, 17249805, 18966687, 31611145, 56900061, 94833435, 284500305, 448878259, 1346634777, 2244391295, 4039904331, 6733173885, 20199521655]

約数ペア:

[(1, 20199521655), (3, 6733173885), (5, 4039904331), (9, 2244391295), (15, 1346634777), (45, 448878259), (71, 284500305), (213, 94833435), (355, 56900061), (639, 31611145), (1065, 18966687), (1171, 17249805), (3195, 6322229), (3513, 5749935), (5399, 3741345), (5855, 3449961), (10539, 1916645), (16197, 1247115), (17565, 1149987), (26995, 748269), (48591, 415705), (52695, 383329), (80985, 249423), (83141, 242955)]