20778783454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{37049}}^1$

素因数の和:37165

約数の個数: 64

約数和(自身を含む): 38317406400

約数和(自身を除く): 17538622946

約数列:

[1, 2, 11, 13, 22, 26, 37, 53, 74, 106, 143, 286, 407, 481, 583, 689, 814, 962, 1166, 1378, 1961, 3922, 5291, 7579, 10582, 15158, 21571, 25493, 37049, 43142, 50986, 74098, 280423, 407539, 481637, 560846, 815078, 963274, 1370813, 1963597, 2741626, 3927194, 5298007, 10596014, 15078943, 17820569, 21599567, 25526761, 30157886, 35641138, 43199134, 51053522, 72653089, 145306178, 196026259, 280794371, 392052518, 561588742, 799183979, 944490157, 1598367958, 1888980314, 10389391727, 20778783454]

約数ペア:

[(1, 20778783454), (2, 10389391727), (11, 1888980314), (13, 1598367958), (22, 944490157), (26, 799183979), (37, 561588742), (53, 392052518), (74, 280794371), (106, 196026259), (143, 145306178), (286, 72653089), (407, 51053522), (481, 43199134), (583, 35641138), (689, 30157886), (814, 25526761), (962, 21599567), (1166, 17820569), (1378, 15078943), (1961, 10596014), (3922, 5298007), (5291, 3927194), (7579, 2741626), (10582, 1963597), (15158, 1370813), (21571, 963274), (25493, 815078), (37049, 560846), (43142, 481637), (50986, 407539), (74098, 280423)]