20106210970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1\times {\mathrm{1811}}^1$

素因数の和:2731

約数の個数: 64

約数和(自身を含む): 38700840960

約数和(自身を除く): 18594629990

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 823, 1349, 1646, 1811, 2698, 3622, 4115, 6745, 8230, 9055, 13490, 15637, 18110, 31274, 34409, 58433, 68818, 78185, 116866, 128581, 156370, 172045, 257162, 292165, 344090, 584330, 642905, 1110227, 1285810, 1490453, 2220454, 2443039, 2980906, 4886078, 5551135, 7452265, 11102270, 12215195, 14904530, 24430390, 28318607, 56637214, 105822163, 141593035, 211644326, 283186070, 529110815, 1058221630, 2010621097, 4021242194, 10053105485, 20106210970]

約数ペア:

[(1, 20106210970), (2, 10053105485), (5, 4021242194), (10, 2010621097), (19, 1058221630), (38, 529110815), (71, 283186070), (95, 211644326), (142, 141593035), (190, 105822163), (355, 56637214), (710, 28318607), (823, 24430390), (1349, 14904530), (1646, 12215195), (1811, 11102270), (2698, 7452265), (3622, 5551135), (4115, 4886078), (6745, 2980906), (8230, 2443039), (9055, 2220454), (13490, 1490453), (15637, 1285810), (18110, 1110227), (31274, 642905), (34409, 584330), (58433, 344090), (68818, 292165), (78185, 257162), (116866, 172045), (128581, 156370)]