20854092

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 55838720

約数和(自身を除く): 34984628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 607, 818, 1214, 1227, 1636, 1821, 2428, 2454, 2863, 3642, 4249, 4908, 5726, 7284, 8498, 8589, 11452, 12747, 16996, 17178, 25494, 34356, 50988, 248263, 496526, 744789, 993052, 1489578, 1737841, 2979156, 3475682, 5213523, 6951364, 10427046, 20854092]

約数ペア:

[(1, 20854092), (2, 10427046), (3, 6951364), (4, 5213523), (6, 3475682), (7, 2979156), (12, 1737841), (14, 1489578), (21, 993052), (28, 744789), (42, 496526), (84, 248263), (409, 50988), (607, 34356), (818, 25494), (1214, 17178), (1227, 16996), (1636, 12747), (1821, 11452), (2428, 8589), (2454, 8498), (2863, 7284), (3642, 5726), (4249, 4908)]