20593986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 29587134

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 131, 133, 197, 262, 266, 393, 394, 399, 591, 786, 798, 917, 1182, 1379, 1834, 2489, 2751, 2758, 3743, 4137, 4978, 5502, 7467, 7486, 8274, 11229, 14934, 17423, 22458, 25807, 26201, 34846, 51614, 52269, 52402, 77421, 78603, 104538, 154842, 157206, 180649, 361298, 490333, 541947, 980666, 1083894, 1470999, 2941998, 3432331, 6864662, 10296993, 20593986]

約数ペア:

[(1, 20593986), (2, 10296993), (3, 6864662), (6, 3432331), (7, 2941998), (14, 1470999), (19, 1083894), (21, 980666), (38, 541947), (42, 490333), (57, 361298), (114, 180649), (131, 157206), (133, 154842), (197, 104538), (262, 78603), (266, 77421), (393, 52402), (394, 52269), (399, 51614), (591, 34846), (786, 26201), (798, 25807), (917, 22458), (1182, 17423), (1379, 14934), (1834, 11229), (2489, 8274), (2751, 7486), (2758, 7467), (3743, 5502), (4137, 4978)]