20016828

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 57153600

約数和(自身を除く): 37136772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 53, 54, 78, 106, 108, 117, 156, 159, 212, 234, 269, 318, 351, 468, 477, 538, 636, 689, 702, 807, 954, 1076, 1378, 1404, 1431, 1614, 1908, 2067, 2421, 2756, 2862, 3228, 3497, 4134, 4842, 5724, 6201, 6994, 7263, 8268, 9684, 10491, 12402, 13988, 14257, 14526, 18603, 20982, 24804, 28514, 29052, 31473, 37206, 41964, 42771, 57028, 62946, 74412, 85542, 94419, 125892, 128313, 171084, 185341, 188838, 256626, 370682, 377676, 384939, 513252, 556023, 741364, 769878, 1112046, 1539756, 1668069, 2224092, 3336138, 5004207, 6672276, 10008414, 20016828]

約数ペア:

[(1, 20016828), (2, 10008414), (3, 6672276), (4, 5004207), (6, 3336138), (9, 2224092), (12, 1668069), (13, 1539756), (18, 1112046), (26, 769878), (27, 741364), (36, 556023), (39, 513252), (52, 384939), (53, 377676), (54, 370682), (78, 256626), (106, 188838), (108, 185341), (117, 171084), (156, 128313), (159, 125892), (212, 94419), (234, 85542), (269, 74412), (318, 62946), (351, 57028), (468, 42771), (477, 41964), (538, 37206), (636, 31473), (689, 29052), (702, 28514), (807, 24804), (954, 20982), (1076, 18603), (1378, 14526), (1404, 14257), (1431, 13988), (1614, 12402), (1908, 10491), (2067, 9684), (2421, 8268), (2756, 7263), (2862, 6994), (3228, 6201), (3497, 5724), (4134, 4842)]