20404764255

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{1459}}^1$

素因数の和:1840

約数の個数: 64

約数和(自身を含む): 34001694720

約数和(自身を除く): 13596930465

約数列:

[1, 3, 5, 15, 37, 111, 113, 185, 223, 339, 555, 565, 669, 1115, 1459, 1695, 3345, 4181, 4377, 7295, 8251, 12543, 20905, 21885, 24753, 25199, 41255, 53983, 62715, 75597, 123765, 125995, 161949, 164867, 269915, 325357, 377985, 494601, 809745, 824335, 932363, 976071, 1626785, 2473005, 2797089, 4661815, 4880355, 6100079, 12038209, 13985445, 18300237, 30500395, 36114627, 36765341, 60191045, 91501185, 110296023, 180573135, 183826705, 551480115, 1360317617, 4080952851, 6801588085, 20404764255]

約数ペア:

[(1, 20404764255), (3, 6801588085), (5, 4080952851), (15, 1360317617), (37, 551480115), (111, 183826705), (113, 180573135), (185, 110296023), (223, 91501185), (339, 60191045), (555, 36765341), (565, 36114627), (669, 30500395), (1115, 18300237), (1459, 13985445), (1695, 12038209), (3345, 6100079), (4181, 4880355), (4377, 4661815), (7295, 2797089), (8251, 2473005), (12543, 1626785), (20905, 976071), (21885, 932363), (24753, 824335), (25199, 809745), (41255, 494601), (53983, 377985), (62715, 325357), (75597, 269915), (123765, 164867), (125995, 161949)]