16620786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 45252480

約数和(自身を除く): 28631694

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 73, 78, 91, 117, 126, 139, 146, 182, 219, 234, 273, 278, 417, 438, 511, 546, 657, 819, 834, 949, 973, 1022, 1251, 1314, 1533, 1638, 1807, 1898, 1946, 2502, 2847, 2919, 3066, 3614, 4599, 5421, 5694, 5838, 6643, 8541, 8757, 9198, 10147, 10842, 12649, 13286, 16263, 17082, 17514, 19929, 20294, 25298, 30441, 32526, 37947, 39858, 59787, 60882, 71029, 75894, 91323, 113841, 119574, 131911, 142058, 182646, 213087, 227682, 263822, 395733, 426174, 639261, 791466, 923377, 1187199, 1278522, 1846754, 2374398, 2770131, 5540262, 8310393, 16620786]

約数ペア:

[(1, 16620786), (2, 8310393), (3, 5540262), (6, 2770131), (7, 2374398), (9, 1846754), (13, 1278522), (14, 1187199), (18, 923377), (21, 791466), (26, 639261), (39, 426174), (42, 395733), (63, 263822), (73, 227682), (78, 213087), (91, 182646), (117, 142058), (126, 131911), (139, 119574), (146, 113841), (182, 91323), (219, 75894), (234, 71029), (273, 60882), (278, 59787), (417, 39858), (438, 37947), (511, 32526), (546, 30441), (657, 25298), (819, 20294), (834, 19929), (949, 17514), (973, 17082), (1022, 16263), (1251, 13286), (1314, 12649), (1533, 10842), (1638, 10147), (1807, 9198), (1898, 8757), (1946, 8541), (2502, 6643), (2847, 5838), (2919, 5694), (3066, 5421), (3614, 4599)]