20618388

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9091}}^1$

素因数の和:9114

約数の個数: 60

約数和(自身を含む): 61607392

約数和(自身を除く): 40989004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9091, 18182, 27273, 36364, 54546, 63637, 81819, 109092, 127274, 163638, 190911, 245457, 254548, 327276, 381822, 490914, 572733, 736371, 763644, 981828, 1145466, 1472742, 1718199, 2290932, 2945484, 3436398, 5154597, 6872796, 10309194, 20618388]

約数ペア:

[(1, 20618388), (2, 10309194), (3, 6872796), (4, 5154597), (6, 3436398), (7, 2945484), (9, 2290932), (12, 1718199), (14, 1472742), (18, 1145466), (21, 981828), (27, 763644), (28, 736371), (36, 572733), (42, 490914), (54, 381822), (63, 327276), (81, 254548), (84, 245457), (108, 190911), (126, 163638), (162, 127274), (189, 109092), (252, 81819), (324, 63637), (378, 54546), (567, 36364), (756, 27273), (1134, 18182), (2268, 9091)]